#12497F#12497F

#12497F is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.106 H 252.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#12497F
RGB	rgb(18, 73, 127)
HSL	hsl(210, 75%, 28%)
HSV	hsv(210, 86%, 50%)
CMYK	cmyk(85.8%, 42.5%, 0%, 50.2%)
CIE-LAB	lab(30.46, 3.80, -35.40)
CIE-LCH	lch(30.46, 35.60, 276.13°)
OKLab	oklab(40.11% -0.0326 -0.1013)
OKLCH	oklch(40.11% 0.106 252.1)
XYZ	xyz(6.4613, 6.4252, 20.9742)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12497F #7F4812

analogous

#127F7E #12497F #12127F

triadic

#12497F #7F1249 #497F12

tetradic

#12497F #7E127F #7F4812 #127F12

square

#12497F #7E127F #7F4812 #127F12

split-complementary

#12497F #7F1212 #7F7E12

monochromatic

#040F1B #0A2A49 #12497F #1A68B5 #2B87E1

Accessibility & contrast

On white

9.19

#12497F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#12497F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12497F

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12497F	#FFFFFF	#000000	##FFFFFF
##12497F	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4D81

Deuteranopia (green-blind)

#1B437E

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #12497f;
/* rgb */ color: rgb(18, 73, 127);
/* oklch */ color: oklch(40.1% 0.106 252.1);

Tailwind

colors: {
  custom: {
    50: '#647ba4',
    500: '#12497f',
    950: '#000000',
  },
}

SCSS

$custom: #12497f;
$custom-light: #647ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#12497f",
  "rgb": {
    "r": 18,
    "g": 73,
    "b": 127
  },
  "hsl": {
    "h": 209.725,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40109,
    "c": 0.10644,
    "h": 252.1
  },
  "luminance": 0.06426
}

Semantic roles & 50–950 ramp

primary

#12497F

secondary

#B57638

accent

#9336F2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #12497F

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

Preview Lab → · Contrast checker → · Palette generator →