#12503F

Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.068 170.3), rgb(18, 80, 63).

Aa

White text reads best on this color (9.35:1).

About this color

#12503F is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.068 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.016 away. White text reads best on it, at 9.35:1.

Hue familyTeals and cyans
Lightnessdark (39%)
Chromamuted (0.068)
Temperaturecool
Nearest nameDark Blue Green (#005249)
Black text2.24:1
White text9.35:1

Values

HEX#12503F
RGBrgb(18, 80, 63)
HSLhsl(164, 63%, 19%)
OKLCHoklch(38.8% 0.068 170.3)

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 #12503F 9.35:1 AAA Lc -95.6 Preferred for body text
Black text on #12503F 2.24:1 Fails Lc 12.7 Not readable
#12503F text on white 9.35:1 AAA Lc 91.3 Preferred for body text
#12503F text on black 2.24:1 Fails Lc -11.0 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

    #F1F7F5

    oklch(97.1% 0.007 174.4)

  2. Step 100

    100

    #E1EDE8

    oklch(93.6% 0.014 169.2)

  3. Step 200

    200

    #C8E0D6

    oklch(88.6% 0.029 168.7)

  4. Step 300

    300

    #A0CCBC

    oklch(80.9% 0.052 170.8)

  5. Step 400

    400

    #69B199

    oklch(70.6% 0.081 170.5)

  6. Step 500

    500

    #379E80

    oklch(63.2% 0.105 170.1)

  7. Step 600

    600

    #00876A

    oklch(55.5% 0.109 170.8)

  8. Step 700

    700

    #007259

    oklch(49.1% 0.097 170.7)

  9. Step 800

    800

    #005D48

    oklch(42.6% 0.084 170.6)

  10. Step 900

    900 (this color)

    #12503F

    oklch(38.8% 0.068 170.3)

  11. Step 950

    950

    #0C2D23

    oklch(26.9% 0.043 169.9)

Export this scale for Tailwind in the Tailwind colors tool

#12503F 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)#4D4A3E0.069
Deuteranopia (no green cones)#4544400.067
Tritanopia (no blue cones)#00514B0.019
Achromatopsia (no color)#4747470.069

Harmonies

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

Complementary

The opposite hue (180°).

  • #12503F

    #12503F

    oklch(38.8% 0.068 170.3)

  • #603449

    #603449

    oklch(38.8% 0.069 350.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #12503F

    #12503F

    oklch(38.8% 0.068 170.3)

  • #304D2A

    #304D2A

    oklch(38.7% 0.067 140.2)

  • #004F52

    #004F52

    oklch(38.8% 0.066 199.2)

Open the analogous palette in the generator

Split complementary

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

  • #12503F

    #12503F

    oklch(38.8% 0.068 170.3)

  • #55385B

    #55385B

    oklch(38.9% 0.068 320.6)

  • #643535

    #643535

    oklch(38.9% 0.068 20.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #12503F

    #12503F

    oklch(38.8% 0.068 170.3)

  • #443E66

    #443E66

    oklch(38.8% 0.067 289.8)

  • #613921

    #613921

    oklch(38.8% 0.068 50.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #12503F

    #12503F

    oklch(38.8% 0.068 170.3)

  • #2F4469

    #2F4469

    oklch(38.7% 0.069 261.2)

  • #603449

    #603449

    oklch(38.8% 0.069 350.8)

  • #574013

    #574013

    oklch(38.8% 0.068 80.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #12503F, closest first.

Similar named colors

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

Use #12503F 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.