#12137F#12137F

#12137F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.170 H 269.2°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#12137F
RGB	rgb(18, 19, 127)
HSL	hsl(239, 75%, 28%)
HSV	hsv(239, 86%, 50%)
CMYK	cmyk(85.8%, 85%, 0%, 50.2%)
CIE-LAB	lab(16.14, 39.81, -58.77)
CIE-LCH	lch(16.14, 70.98, 304.11°)
OKLab	oklab(29.44% -0.0025 -0.1702)
OKLCH	oklch(29.44% 0.17 269.2)
XYZ	xyz(4.3118, 2.1261, 20.2577)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12137F #7F7E12

analogous

#12497F #12137F #47127F

triadic

#12137F #7F1213 #137F12

tetradic

#12137F #7F1249 #7F7E12 #127F47

square

#12137F #7F1249 #7F7E12 #127F47

split-complementary

#12137F #7F4712 #497F12

monochromatic

#04041B #0A0B49 #12137F #1A1BB5 #2B2CE1

Accessibility & contrast

On white

14.73

#12137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#12137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12137F

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12137F	#FFFFFF	#000000	##FFFFFF
##12137F	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E82

Deuteranopia (green-blind)

#00227D

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #12137f;
/* rgb */ color: rgb(18, 19, 127);
/* oklch */ color: oklch(29.4% 0.170 269.2);

Tailwind

colors: {
  custom: {
    50: '#6954a5',
    500: '#12137f',
    950: '#000000',
  },
}

SCSS

$custom: #12137f;
$custom-light: #6954a5;
$custom-dark: #000000;

JSON

{
  "hex": "#12137f",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 239.45,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29435,
    "c": 0.17019,
    "h": 269.2
  },
  "luminance": 0.02127
}

Semantic roles & 50–950 ramp

primary

#12137F

secondary

#B5B438

accent

#F036F2

background

#F6F5FA

surface

#ECE8F4

border

#C7C4CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #12137F

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

Preview Lab → · Contrast checker → · Palette generator →