#12497E#12497E

#12497E is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.0% C 0.105 H 251.8°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#12497E
RGB	rgb(18, 73, 126)
HSL	hsl(209, 75%, 28%)
HSV	hsv(209, 86%, 49%)
CMYK	cmyk(85.7%, 42.1%, 0%, 50.6%)
CIE-LAB	lab(30.40, 3.39, -34.88)
CIE-LCH	lch(30.40, 35.04, 275.55°)
OKLab	oklab(40.04% -0.0329 -0.0998)
OKLCH	oklch(40.04% 0.105 251.8)
XYZ	xyz(6.3965, 6.3992, 20.6327)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12497E #7E4712

analogous

#127E7D #12497E #12137E

triadic

#12497E #7E1249 #497E12

tetradic

#12497E #7D127E #7E4712 #137E12

square

#12497E #7D127E #7E4712 #137E12

split-complementary

#12497E #7E1213 #7E7D12

monochromatic

#04101B #0A2A48 #12497E #1A68B4 #2A87E1

Accessibility & contrast

On white

9.21

#12497E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#12497E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12497E

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12497E	#FFFFFF	#000000	##FFFFFF
##12497E	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4D80

Deuteranopia (green-blind)

#1D437D

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #12497e;
/* rgb */ color: rgb(18, 73, 126);
/* oklch */ color: oklch(40.0% 0.105 251.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#12497e",
  "rgb": {
    "r": 18,
    "g": 73,
    "b": 126
  },
  "hsl": {
    "h": 209.444,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.4004,
    "c": 0.10506,
    "h": 251.8
  },
  "luminance": 0.064
}

Semantic roles & 50–950 ramp

primary

#12497E

secondary

#B47538

accent

#9236F2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #12497E

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

Preview Lab → · Contrast checker → · Palette generator →