#12137E#12137E

#12137E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.169 H 269.2°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#12137E
RGB	rgb(18, 19, 126)
HSL	hsl(239, 75%, 28%)
HSV	hsv(239, 86%, 49%)
CMYK	cmyk(85.7%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(16.00, 39.47, -58.35)
CIE-LCH	lch(16.00, 70.45, 304.08°)
OKLab	oklab(29.31% -0.0023 -0.1689)
OKLCH	oklch(29.31% 0.169 269.2)
XYZ	xyz(4.2469, 2.1002, 19.9162)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12137E #7E7D12

analogous

#12497E #12137E #47127E

triadic

#12137E #7E1213 #137E12

tetradic

#12137E #7E1249 #7E7D12 #127E47

square

#12137E #7E1249 #7E7D12 #127E47

split-complementary

#12137E #7E4712 #497E12

monochromatic

#04041B #0A0B48 #12137E #1A1BB4 #2A2CE1

Accessibility & contrast

On white

14.79

#12137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#12137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12137E

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12137E	#FFFFFF	#000000	##FFFFFF
##12137E	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00227C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #12137e;
/* rgb */ color: rgb(18, 19, 126);
/* oklch */ color: oklch(29.3% 0.169 269.2);

Tailwind

colors: {
  custom: {
    50: '#6854a5',
    500: '#12137e',
    950: '#000000',
  },
}

SCSS

$custom: #12137e;
$custom-light: #6854a5;
$custom-dark: #000000;

JSON

{
  "hex": "#12137e",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 239.444,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29307,
    "c": 0.16897,
    "h": 269.2
  },
  "luminance": 0.02101
}

Semantic roles & 50–950 ramp

primary

#12137E

secondary

#B4B338

accent

#F036F2

background

#F6F4FA

surface

#ECE8F4

border

#C7C4CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #12137E

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

Preview Lab → · Contrast checker → · Palette generator →