#12374E#12374E

#12374E is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.058 H 239.6°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#12374E
RGB	rgb(18, 55, 78)
HSL	hsl(203, 63%, 19%)
HSV	hsv(203, 77%, 31%)
CMYK	cmyk(76.9%, 29.5%, 0%, 69.4%)
CIE-LAB	lab(21.62, -4.31, -17.87)
CIE-LCH	lch(21.62, 18.38, 256.45°)
OKLab	oklab(32.22% -0.0295 -0.0504)
OKLCH	oklch(32.22% 0.058 239.6)
XYZ	xyz(2.9903, 3.4107, 7.7070)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12374E #4E2912

analogous

#124E47 #12374E #12194E

triadic

#12374E #4E1237 #374E12

tetradic

#12374E #47124E #4E2912 #194E12

square

#12374E #47124E #4E2912 #194E12

split-complementary

#12374E #4E1219 #4E4712

monochromatic

#061219 #07141C #12374E #1D5A80 #297DB1

Accessibility & contrast

On white

12.48

#12374E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#12374E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12374E

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12374E	#FFFFFF	#000000	##FFFFFF
##12374E	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C374F

Deuteranopia (green-blind)

#24314E

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #12374e;
/* rgb */ color: rgb(18, 55, 78);
/* oklch */ color: oklch(32.2% 0.058 239.6);

Tailwind

colors: {
  custom: {
    50: '#596d7f',
    500: '#12374e',
    950: '#000000',
  },
}

SCSS

$custom: #12374e;
$custom-light: #596d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#12374e",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 203,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.32223,
    "c": 0.05841,
    "h": 239.6
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#12374E

secondary

#875435

accent

#8142E6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #12374E

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

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