#12403D#12403D

#12403D is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.0% C 0.049 H 189.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#12403D
RGB	rgb(18, 64, 61)
HSL	hsl(176, 56%, 16%)
HSV	hsv(176, 72%, 25%)
CMYK	cmyk(71.9%, 0%, 4.7%, 74.9%)
CIE-LAB	lab(24.10, -16.18, -2.75)
CIE-LCH	lch(24.10, 16.41, 189.65°)
OKLab	oklab(33.97% -0.0487 -0.0077)
OKLCH	oklch(33.97% 0.049 189)
XYZ	xyz(2.9248, 4.1320, 5.0574)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12403D #401215

analogous

#124026 #12403D #122C40

triadic

#12403D #3D1240 #403D12

tetradic

#12403D #261240 #401215 #2C4012

square

#12403D #261240 #401215 #2C4012

split-complementary

#12403D #40122C #402612

monochromatic

#071817 #071817 #12403D #1F706B #2DA098

Accessibility & contrast

On white

11.50

#12403D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#12403D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12403D

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12403D	#FFFFFF	#000000	##FFFFFF
##12403D	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3D

Deuteranopia (green-blind)

#35373D

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #12403d;
/* rgb */ color: rgb(18, 64, 61);
/* oklch */ color: oklch(34.0% 0.049 189.0);

Tailwind

colors: {
  custom: {
    50: '#577572',
    500: '#12403d',
    950: '#000000',
  },
}

SCSS

$custom: #12403d;
$custom-light: #577572;
$custom-dark: #000000;

JSON

{
  "hex": "#12403d",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 176.087,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.33973,
    "c": 0.0493,
    "h": 189
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary

#12403D

secondary

#793539

accent

#4852DF

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #12403D

Body copy rendered with the generated semantic roles for this colour.

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