#12375A#12375A

#12375A is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.0% C 0.075 H 250.2°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#12375A
RGB	rgb(18, 55, 90)
HSL	hsl(209, 67%, 21%)
HSV	hsv(209, 80%, 35%)
CMYK	cmyk(80%, 38.9%, 0%, 64.7%)
CIE-LAB	lab(22.30, 0.64, -24.75)
CIE-LCH	lch(22.30, 24.76, 271.48°)
OKLab	oklab(32.98% -0.0254 -0.0704)
OKLCH	oklch(32.98% 0.075 250.2)
XYZ	xyz(3.4604, 3.5988, 10.1831)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12375A #5A3512

analogous

#125A59 #12375A #12135A

triadic

#12375A #5A1237 #375A12

tetradic

#12375A #59125A #5A3512 #135A12

square

#12375A #59125A #5A3512 #135A12

split-complementary

#12375A #5A1213 #5A5912

monochromatic

#05101A #081827 #12375A #1C568D #2675C0

Accessibility & contrast

On white

12.21

#12375A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#12375A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12375A

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12375A	#FFFFFF	#000000	##FFFFFF
##12375A	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395B

Deuteranopia (green-blind)

#1C3259

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #12375a;
/* rgb */ color: rgb(18, 55, 90);
/* oklch */ color: oklch(33.0% 0.075 250.2);

Tailwind

colors: {
  custom: {
    50: '#5b6d89',
    500: '#12375a',
    950: '#000000',
  },
}

SCSS

$custom: #12375a;
$custom-light: #5b6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#12375a",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 90
  },
  "hsl": {
    "h": 209.167,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32981,
    "c": 0.07487,
    "h": 250.2
  },
  "luminance": 0.03599
}

Semantic roles & 50–950 ramp

primary

#12375A

secondary

#936335

accent

#923EEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #12375A

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

Preview Lab → · Contrast checker → · Palette generator →