#12477F#12477F

#12477F is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.109 H 253.5°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#12477F
RGB	rgb(18, 71, 127)
HSL	hsl(211, 75%, 28%)
HSV	hsv(211, 86%, 50%)
CMYK	cmyk(85.8%, 44.1%, 0%, 50.2%)
CIE-LAB	lab(29.83, 5.15, -36.41)
CIE-LCH	lch(29.83, 36.77, 278.06°)
OKLab	oklab(39.62% -0.0309 -0.1043)
OKLCH	oklch(39.62% 0.109 253.5)
XYZ	xyz(6.3320, 6.1666, 20.9311)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12477F #7F4A12

analogous

#127D7F #12477F #14127F

triadic

#12477F #7F1247 #477F12

tetradic

#12477F #7F127D #7F4A12 #127F14

square

#12477F #7F127D #7F4A12 #127F14

split-complementary

#12477F #7F1412 #7D7F12

monochromatic

#040F1B #0A2949 #12477F #1A65B5 #2B83E1

Accessibility & contrast

On white

9.40

#12477F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#12477F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12477F

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12477F	#FFFFFF	#000000	##FFFFFF
##12477F	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4B81

Deuteranopia (green-blind)

#16427E

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #12477f;
/* rgb */ color: rgb(18, 71, 127);
/* oklch */ color: oklch(39.6% 0.109 253.5);

Tailwind

colors: {
  custom: {
    50: '#6479a4',
    500: '#12477f',
    950: '#000000',
  },
}

SCSS

$custom: #12477f;
$custom-light: #6479a4;
$custom-dark: #000000;

JSON

{
  "hex": "#12477f",
  "rgb": {
    "r": 18,
    "g": 71,
    "b": 127
  },
  "hsl": {
    "h": 210.826,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39616,
    "c": 0.1088,
    "h": 253.5
  },
  "luminance": 0.06167
}

Semantic roles & 50–950 ramp

primary

#12477F

secondary

#B57838

accent

#9636F2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #12477F

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

Preview Lab → · Contrast checker → · Palette generator →