#153A44

Closest named color: Midnight Green (#073B4C). oklch(32.6% 0.045 218.4), rgb(21, 58, 68).

Aa

White text reads best on this color (12.20:1).

About this color

#153A44 is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.045 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.015 away. White text reads best on it, at 12.20:1.

Hue familyTeals and cyans
Lightnessdark (33%)
Chromamuted (0.045)
Temperaturecool
Nearest nameMidnight Green (#073B4C)
Black text1.72:1
White text12.20:1

Values

HEX#153A44
RGBrgb(21, 58, 68)
HSLhsl(193, 53%, 17%)
OKLCHoklch(32.6% 0.045 218.4)

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 #153A44 12.20:1 AAA Lc -101.2 Preferred for body text
Black text on #153A44 1.72:1 Fails Lc 0.0 Not readable
#153A44 text on white 12.20:1 AAA Lc 97.7 Preferred for body text
#153A44 text on black 1.72:1 Fails Lc 0.0 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

    #F2F6F7

    oklch(97% 0.004 214.3)

  2. Step 100

    100

    #E3ECEE

    oklch(93.7% 0.01 212.5)

  3. Step 200

    200

    #CCDCE1

    oklch(88.4% 0.019 218.4)

  4. Step 300

    300

    #A9C6CF

    oklch(80.8% 0.034 218.5)

  5. Step 400

    400

    #7AA9B7

    oklch(70.6% 0.054 218.2)

  6. Step 500

    500

    #5694A6

    oklch(63.2% 0.069 218.6)

  7. Step 600

    600

    #387E91

    oklch(55.6% 0.075 218.3)

  8. Step 700

    700

    #2A6A7B

    oklch(49.1% 0.07 218.3)

  9. Step 800

    800

    #245764

    oklch(42.8% 0.058 217.1)

  10. Step 900

    900 (this color)

    #153A44

    oklch(32.6% 0.045 218.4)

  11. Step 950

    950

    #152A30

    oklch(27% 0.029 218.2)

Export this scale for Tailwind in the Tailwind colors tool

#153A44 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)#3438450.040
Deuteranopia (no green cones)#2D33440.035
Tritanopia (no blue cones)#003D3D0.023
Achromatopsia (no color)#3535350.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #153A44

    #153A44

    oklch(32.6% 0.045 218.4)

  • #492C23

    #492C23

    oklch(32.7% 0.046 38)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #153A44

    #153A44

    oklch(32.6% 0.045 218.4)

  • #133C39

    #133C39

    oklch(32.7% 0.046 188.5)

  • #21364B

    #21364B

    oklch(32.5% 0.046 249.4)

Open the analogous palette in the generator

Split complementary

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

  • #153A44

    #153A44

    oklch(32.6% 0.045 218.4)

  • #492B30

    #492B30

    oklch(32.8% 0.045 9)

  • #44301A

    #44301A

    oklch(32.7% 0.045 67.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #153A44

    #153A44

    oklch(32.6% 0.045 218.4)

  • #442B3C

    #442B3C

    oklch(32.6% 0.046 339.3)

  • #3A3518

    #3A3518

    oklch(32.7% 0.046 99.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #153A44

    #153A44

    oklch(32.6% 0.045 218.4)

  • #3B2E46

    #3B2E46

    oklch(32.6% 0.045 308.8)

  • #492C23

    #492C23

    oklch(32.7% 0.046 38)

  • #2D391F

    #2D391F

    oklch(32.6% 0.046 128.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #153A44, closest first.

Similar named colors

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

Use #153A44 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.