#357590

Closest named color: Sea Blue (#047495). oklch(53.2% 0.078 228.5), rgb(53, 117, 144).

Aa

White text reads best on this color (5.12:1).

About this color

#357590 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.078 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.024 away. White text reads best on it, at 5.12:1.

Hue familyTeals and cyans
Lightnessmedium-dark (53%)
Chromamoderately saturated (0.078)
Temperaturecool
Nearest nameSea Blue (#047495)
Black text4.09:1
White text5.12:1

Values

HEX#357590
RGBrgb(53, 117, 144)
HSLhsl(198, 46%, 39%)
OKLCHoklch(53.2% 0.078 228.5)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #357590 5.12:1 AA Lc -80.5 Fine for body text
Black text on #357590 4.09:1 AA large text Lc 28.9 Dividers and decoration only
#357590 text on white 5.12:1 AA Lc 75.1 Fine for body text
#357590 text on black 4.09:1 AA large text Lc -26.6 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #F2F6F8

    oklch(97.1% 0.005 228.8)

  2. Step 100

    100

    #E3EBEF

    oklch(93.5% 0.01 228.9)

  3. Step 200

    200

    #CDDCE3

    oklch(88.5% 0.019 227.3)

  4. Step 300

    300

    #AAC6D3

    oklch(81% 0.035 227.5)

  5. Step 400

    400

    #7CA8BC

    oklch(70.7% 0.056 227.7)

  6. Step 500

    500

    #5992AC

    oklch(63.1% 0.071 228.9)

  7. Step 600

    600 (this color)

    #357590

    oklch(53.2% 0.078 228.5)

  8. Step 700

    700

    #2E6981

    oklch(49.2% 0.072 227.7)

  9. Step 800

    800

    #275569

    oklch(42.6% 0.06 228.9)

  10. Step 900

    900

    #254655

    oklch(37.6% 0.046 229.2)

  11. Step 950

    950

    #162932

    oklch(26.9% 0.03 229.7)

Export this scale for Tailwind in the Tailwind colors tool

#357590 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#6773910.056
Deuteranopia (no green cones)#5A6A900.048
Tritanopia (no blue cones)#007D7E0.049
Achromatopsia (no color)#6E6E6E0.078

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #357590

    #357590

    oklch(53.2% 0.078 228.5)

  • #915E43

    #915E43

    oklch(53.1% 0.078 48.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #357590

    #357590

    oklch(53.2% 0.078 228.5)

  • #277A7D

    #277A7D

    oklch(53.2% 0.078 198.6)

  • #506D99

    #506D99

    oklch(53.1% 0.078 258.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #357590

    #357590

    oklch(53.2% 0.078 228.5)

  • #945A5B

    #945A5B

    oklch(53.3% 0.077 18.8)

  • #856735

    #856735

    oklch(53.3% 0.078 78.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #357590

    #357590

    oklch(53.2% 0.078 228.5)

  • #8E5974

    #8E5974

    oklch(53.1% 0.079 348.2)

  • #707038

    #707038

    oklch(53.2% 0.078 108.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #357590

    #357590

    oklch(53.2% 0.078 228.5)

  • #805E89

    #805E89

    oklch(53.3% 0.077 319.1)

  • #915E43

    #915E43

    oklch(53.1% 0.078 48.4)

  • #55774B

    #55774B

    oklch(53.1% 0.077 138.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #357590, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #357590 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.