#12557E#12557E

#12557E is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.1% C 0.093 H 241.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#12557E
RGB	rgb(18, 85, 126)
HSL	hsl(203, 75%, 28%)
HSV	hsv(203, 86%, 49%)
CMYK	cmyk(85.7%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(34.25, -4.44, -28.76)
CIE-LCH	lch(34.25, 29.10, 261.22°)
OKLab	oklab(43.07% -0.044 -0.0816)
OKLCH	oklch(43.07% 0.093 241.7)
XYZ	xyz(7.2624, 8.1310, 20.9213)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12557E #7E3B12

analogous

#127E71 #12557E #121F7E

triadic

#12557E #7E1255 #557E12

tetradic

#12557E #71127E #7E3B12 #1F7E12

square

#12557E #71127E #7E3B12 #1F7E12

split-complementary

#12557E #7E121F #7E7112

monochromatic

#04121B #0A3148 #12557E #1A79B4 #2A9BE1

Accessibility & contrast

On white

8.00

#12557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#12557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12557E

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12557E	#FFFFFF	#000000	##FFFFFF
##12557E	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425680

Deuteranopia (green-blind)

#334C7D

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #12557e;
/* rgb */ color: rgb(18, 85, 126);
/* oklch */ color: oklch(43.1% 0.093 241.7);

Tailwind

colors: {
  custom: {
    50: '#6484a3',
    500: '#12557e',
    950: '#000000',
  },
}

SCSS

$custom: #12557e;
$custom-light: #6484a3;
$custom-dark: #000000;

JSON

{
  "hex": "#12557e",
  "rgb": {
    "r": 18,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 202.778,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.43073,
    "c": 0.09274,
    "h": 241.7
  },
  "luminance": 0.08132
}

Semantic roles & 50–950 ramp

primary

#12557E

secondary

#B46738

accent

#7D36F2

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #12557E

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

Preview Lab → · Contrast checker → · Palette generator →