#10155E#10155E

#10155E is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.5% C 0.126 H 270.5°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#10155E
RGB	rgb(16, 21, 94)
HSL	hsl(236, 71%, 22%)
HSV	hsv(236, 83%, 37%)
CMYK	cmyk(83%, 77.7%, 0%, 63.1%)
CIE-LAB	lab(12.32, 26.68, -43.58)
CIE-LCH	lch(12.32, 51.10, 301.48°)
OKLab	oklab(25.52% 0.0011 -0.1262)
OKLCH	oklch(25.52% 0.126 270.5)
XYZ	xyz(2.5015, 1.4544, 10.7364)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10155E #5E5910

analogous

#103C5E #10155E #32105E

triadic

#10155E #5E1015 #155E10

tetradic

#10155E #5E103C #5E5910 #105E32

square

#10155E #5E103C #5E5910 #105E32

split-complementary

#10155E #5E3210 #3C5E10

monochromatic

#04061A #07092A #10155E #192192 #222CC7

Accessibility & contrast

On white

16.27

#10155E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#10155E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10155E

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10155E	#FFFFFF	#000000	##FFFFFF
##10155E	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002460

Deuteranopia (green-blind)

#001C5D

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #10155e;
/* rgb */ color: rgb(16, 21, 94);
/* oklch */ color: oklch(25.5% 0.126 270.5);

Tailwind

colors: {
  custom: {
    50: '#5e538d',
    500: '#10155e',
    950: '#000000',
  },
}

SCSS

$custom: #10155e;
$custom-light: #5e538d;
$custom-dark: #000000;

JSON

{
  "hex": "#10155e",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 94
  },
  "hsl": {
    "h": 236.154,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25521,
    "c": 0.1262,
    "h": 270.5
  },
  "luminance": 0.01455
}

Semantic roles & 50–950 ramp

primary

#10155E

secondary

#979133

accent

#E23AEE

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10155E

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

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