#12475B#12475B

#12475B is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.4% C 0.063 H 227.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#12475B
RGB	rgb(18, 71, 91)
HSL	hsl(196, 67%, 21%)
HSV	hsv(196, 80%, 36%)
CMYK	cmyk(80.2%, 22%, 0%, 64.3%)
CIE-LAB	lab(27.82, -9.47, -16.76)
CIE-LCH	lch(27.82, 19.25, 240.53°)
OKLab	oklab(37.37% -0.0426 -0.047)
OKLCH	oklch(37.37% 0.063 227.8)
XYZ	xyz(4.3902, 5.3899, 10.7045)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12475B #5B2612

analogous

#125B4B #12475B #12235B

triadic

#12475B #5B1247 #475B12

tetradic

#12475B #4B125B #5B2612 #235B12

square

#12475B #4B125B #5B2612 #235B12

split-complementary

#12475B #5B1223 #5B4B12

monochromatic

#05141A #081F28 #12475B #1C6F8E #2697C1

Accessibility & contrast

On white

10.11

#12475B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#12475B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12475B

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12475B	#FFFFFF	#000000	##FFFFFF
##12475B	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C465C

Deuteranopia (green-blind)

#333F5B

Tritanopia (blue-blind)

#004D4E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #12475b;
/* rgb */ color: rgb(18, 71, 91);
/* oklch */ color: oklch(37.4% 0.063 227.8);

Tailwind

colors: {
  custom: {
    50: '#5c7a89',
    500: '#12475b',
    950: '#000000',
  },
}

SCSS

$custom: #12475b;
$custom-light: #5c7a89;
$custom-dark: #000000;

JSON

{
  "hex": "#12475b",
  "rgb": {
    "r": 18,
    "g": 71,
    "b": 91
  },
  "hsl": {
    "h": 196.438,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.37373,
    "c": 0.06347,
    "h": 227.8
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary

#12475B

secondary

#934F35

accent

#6D3EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #12475B

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

Preview Lab → · Contrast checker → · Palette generator →