#596A7A

Closest named color: Slate (#516572). oklch(51.6% 0.033 246.9), rgb(89, 106, 122).

Aa

White text reads best on this color (5.57:1).

About this color

#596A7A is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.033 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.022 away. White text reads best on it, at 5.57:1.

Hue familyBlues
Lightnessmedium-dark (52%)
Chromamuted (0.033)
Temperaturecool
Nearest nameSlate (#516572)
Black text3.76:1
White text5.57:1

Values

HEX#596A7A
RGBrgb(89, 106, 122)
HSLhsl(209, 16%, 41%)
OKLCHoklch(51.6% 0.033 246.9)

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 #596A7A 5.57:1 AA Lc -83.1 Fine for body text
Black text on #596A7A 3.76:1 AA large text Lc 26.2 Dividers and decoration only
#596A7A text on white 5.57:1 AA Lc 77.9 Fine for body text
#596A7A text on black 3.76:1 AA large text Lc -23.9 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 700.

  1. Step 50

    50

    #F4F5F7

    oklch(97% 0.003 264.5)

  2. Step 100

    100

    #E7EAED

    oklch(93.6% 0.005 247.9)

  3. Step 200

    200

    #D5DADF

    oklch(88.6% 0.009 247.9)

  4. Step 300

    300

    #B9C2CA

    oklch(80.9% 0.015 244.8)

  5. Step 400

    400

    #94A2B0

    oklch(70.6% 0.026 248.2)

  6. Step 500

    500

    #7A8C9C

    oklch(63.1% 0.032 245.2)

  7. Step 600

    600

    #637687

    oklch(55.7% 0.035 245.5)

  8. Step 700

    700 (this color)

    #596A7A

    oklch(51.6% 0.033 246.9)

  9. Step 800

    800

    #43515D

    oklch(42.8% 0.027 244.3)

  10. Step 900

    900

    #39434C

    oklch(37.7% 0.02 245.5)

  11. Step 950

    950

    #21272D

    oklch(26.9% 0.014 248.4)

Export this scale for Tailwind in the Tailwind colors tool

#596A7A 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)#646A7B0.016
Deuteranopia (no green cones)#60667A0.015
Tritanopia (no blue cones)#506E6F0.028
Achromatopsia (no color)#6868680.033

Harmonies

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

Complementary

The opposite hue (180°).

  • #596A7A

    #596A7A

    oklch(51.6% 0.033 246.9)

  • #756554

    #756554

    oklch(51.7% 0.033 68.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #596A7A

    #596A7A

    oklch(51.6% 0.033 246.9)

  • #536D74

    #536D74

    oklch(51.7% 0.032 216.1)

  • #63667B

    #63667B

    oklch(51.5% 0.033 278.8)

Open the analogous palette in the generator

Split complementary

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

  • #596A7A

    #596A7A

    oklch(51.6% 0.033 246.9)

  • #79625B

    #79625B

    oklch(51.7% 0.032 37.6)

  • #6D6853

    #6D6853

    oklch(51.6% 0.032 96.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #596A7A

    #596A7A

    oklch(51.6% 0.033 246.9)

  • #796065

    #796065

    oklch(51.6% 0.033 4.9)

  • #636C57

    #636C57

    oklch(51.7% 0.034 126.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #596A7A

    #596A7A

    oklch(51.6% 0.033 246.9)

  • #75616F

    #75616F

    oklch(51.7% 0.033 337)

  • #756554

    #756554

    oklch(51.7% 0.033 68.7)

  • #596E60

    #596E60

    oklch(51.7% 0.033 155.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #596A7A, closest first.

Similar named colors

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

Use #596A7A 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.