#12557F#12557F

#12557F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.1% C 0.094 H 242.3°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#12557F
RGB	rgb(18, 85, 127)
HSL	hsl(203, 75%, 28%)
HSV	hsv(203, 86%, 50%)
CMYK	cmyk(85.8%, 33.1%, 0%, 50.2%)
CIE-LAB	lab(34.31, -4.04, -29.30)
CIE-LCH	lch(34.31, 29.57, 262.14°)
OKLab	oklab(43.13% -0.0436 -0.0832)
OKLCH	oklch(43.13% 0.094 242.3)
XYZ	xyz(7.3272, 8.1570, 21.2628)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12557F #7F3C12

analogous

#127F72 #12557F #121F7F

triadic

#12557F #7F1255 #557F12

tetradic

#12557F #72127F #7F3C12 #1F7F12

square

#12557F #72127F #7F3C12 #1F7F12

split-complementary

#12557F #7F121F #7F7212

monochromatic

#04121B #0A3149 #12557F #1A79B5 #2B9BE1

Accessibility & contrast

On white

7.98

#12557F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#12557F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12557F

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12557F	#FFFFFF	#000000	##FFFFFF
##12557F	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415681

Deuteranopia (green-blind)

#324C7E

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #12557f;
/* rgb */ color: rgb(18, 85, 127);
/* oklch */ color: oklch(43.1% 0.094 242.3);

Tailwind

colors: {
  custom: {
    50: '#6584a4',
    500: '#12557f',
    950: '#000000',
  },
}

SCSS

$custom: #12557f;
$custom-light: #6584a4;
$custom-dark: #000000;

JSON

{
  "hex": "#12557f",
  "rgb": {
    "r": 18,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 203.119,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.43133,
    "c": 0.09396,
    "h": 242.3
  },
  "luminance": 0.08158
}

Semantic roles & 50–950 ramp

primary

#12557F

secondary

#B56838

accent

#7E36F2

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #12557F

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

Preview Lab → · Contrast checker → · Palette generator →