#154D63

Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.067 228.7), rgb(21, 77, 99).

Aa

White text reads best on this color (9.23:1).

About this color

#154D63 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.067 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.026 away. White text reads best on it, at 9.23:1.

Hue familyTeals and cyans
Lightnessdark (40%)
Chromamuted (0.067)
Temperaturecool
Nearest nameDark Grey Blue (#29465B)
Black text2.27:1
White text9.23:1

Values

HEX#154D63
RGBrgb(21, 77, 99)
HSLhsl(197, 65%, 24%)
OKLCHoklch(39.5% 0.067 228.7)

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 #154D63 9.23:1 AAA Lc -95.4 Preferred for body text
Black text on #154D63 2.27:1 Fails Lc 12.9 Not readable
#154D63 text on white 9.23:1 AAA Lc 91.0 Preferred for body text
#154D63 text on black 2.27:1 Fails Lc -11.3 Not readable

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 900.

  1. Step 50

    50

    #F1F6F9

    oklch(97% 0.007 233.6)

  2. Step 100

    100

    #E0ECF2

    oklch(93.6% 0.015 229)

  3. Step 200

    200

    #C7DDE8

    oklch(88.5% 0.028 229.2)

  4. Step 300

    300

    #A0C8DB

    oklch(81% 0.05 228.5)

  5. Step 400

    400

    #68ABC9

    oklch(70.8% 0.081 228.5)

  6. Step 500

    500

    #3795BB

    oklch(63.1% 0.103 228.8)

  7. Step 600

    600

    #007FA6

    oklch(55.7% 0.109 228.5)

  8. Step 700

    700

    #006A8C

    oklch(49% 0.097 229.1)

  9. Step 800

    800

    #005773

    oklch(42.7% 0.084 228.5)

  10. Step 900

    900 (this color)

    #154D63

    oklch(39.5% 0.067 228.7)

  11. Step 950

    950

    #0C2A37

    oklch(26.9% 0.043 229.9)

Export this scale for Tailwind in the Tailwind colors tool

#154D63 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)#424C640.049
Deuteranopia (no green cones)#3744630.042
Tritanopia (no blue cones)#0053540.038
Achromatopsia (no color)#4747470.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #154D63

    #154D63

    oklch(39.5% 0.067 228.7)

  • #633B24

    #633B24

    oklch(39.5% 0.067 49.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #154D63

    #154D63

    oklch(39.5% 0.067 228.7)

  • #005154

    #005154

    oklch(39.5% 0.067 199.1)

  • #30476A

    #30476A

    oklch(39.6% 0.066 258.6)

Open the analogous palette in the generator

Split complementary

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

  • #154D63

    #154D63

    oklch(39.5% 0.067 228.7)

  • #663738

    #663738

    oklch(39.6% 0.067 19.2)

  • #5A4217

    #5A4217

    oklch(39.6% 0.067 79)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #154D63

    #154D63

    oklch(39.5% 0.067 228.7)

  • #61374C

    #61374C

    oklch(39.6% 0.067 349.2)

  • #49491A

    #49491A

    oklch(39.4% 0.067 109.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #154D63

    #154D63

    oklch(39.5% 0.067 228.7)

  • #563A5D

    #563A5D

    oklch(39.5% 0.067 319.4)

  • #633B24

    #633B24

    oklch(39.5% 0.067 49.8)

  • #334F2B

    #334F2B

    oklch(39.5% 0.067 138.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #154D63, closest first.

Similar named colors

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

Use #154D63 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.