#12135B#12135B

#12135B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.124 H 272.3°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#12135B
RGB	rgb(18, 19, 91)
HSL	hsl(239, 67%, 21%)
HSV	hsv(239, 80%, 36%)
CMYK	cmyk(80.2%, 79.1%, 0%, 64.3%)
CIE-LAB	lab(11.62, 27.04, -42.71)
CIE-LCH	lch(11.62, 50.55, 302.33°)
OKLab	oklab(24.95% 0.0051 -0.1236)
OKLCH	oklch(24.95% 0.124 272.3)
XYZ	xyz(2.3700, 1.3494, 10.0311)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12135B #5B5A12

analogous

#12385B #12135B #36125B

triadic

#12135B #5B1213 #135B12

tetradic

#12135B #5B1238 #5B5A12 #125B36

square

#12135B #5B1238 #5B5A12 #125B36

split-complementary

#12135B #5B3612 #385B12

monochromatic

#05051A #080828 #12135B #1C1E8E #2628C1

Accessibility & contrast

On white

16.54

#12135B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#12135B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12135B

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12135B	#FFFFFF	#000000	##FFFFFF
##12135B	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001B5A

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #12135b;
/* rgb */ color: rgb(18, 19, 91);
/* oklch */ color: oklch(25.0% 0.124 272.3);

Tailwind

colors: {
  custom: {
    50: '#5e518a',
    500: '#12135b',
    950: '#000000',
  },
}

SCSS

$custom: #12135b;
$custom-light: #5e518a;
$custom-dark: #000000;

JSON

{
  "hex": "#12135b",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 91
  },
  "hsl": {
    "h": 239.178,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.24952,
    "c": 0.12372,
    "h": 272.3
  },
  "luminance": 0.0135
}

Semantic roles & 50–950 ramp

primary

#12135B

secondary

#939235

accent

#E83EEA

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #12135B

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

Preview Lab → · Contrast checker → · Palette generator →