#1D158E#1D158E

#1D158E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.184 H 272.0°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D158E
RGB	rgb(29, 21, 142)
HSL	hsl(244, 74%, 32%)
HSV	hsv(244, 85%, 56%)
CMYK	cmyk(79.6%, 85.2%, 0%, 44.3%)
CIE-LAB	lab(19.01, 44.28, -63.42)
CIE-LCH	lch(19.01, 77.35, 304.92°)
OKLab	oklab(32.15% 0.0064 -0.1835)
OKLCH	oklch(32.15% 0.184 272)
XYZ	xyz(5.6557, 2.7499, 25.8187)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D158E #868E15

analogous

#154A8E #1D158E #5A158E

triadic

#1D158E #8E1D15 #158E1D

tetradic

#1D158E #8E154A #868E15 #158E5A

square

#1D158E #8E154A #868E15 #158E5A

split-complementary

#1D158E #8E5A15 #4A8E15

monochromatic

#070523 #120D59 #1D158E #281DC3 #463BE2

Accessibility & contrast

On white

13.55

#1D158E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D158E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D158E

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D158E	#FFFFFF	#000000	##FFFFFF
##1D158E	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d158e;
/* rgb */ color: rgb(29, 21, 142);
/* oklch */ color: oklch(32.1% 0.184 272.0);

Tailwind

colors: {
  custom: {
    50: '#7057b0',
    500: '#1d158e',
    950: '#000000',
  },
}

SCSS

$custom: #1d158e;
$custom-light: #7057b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d158e",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 142
  },
  "hsl": {
    "h": 243.967,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32146,
    "c": 0.1836,
    "h": 272
  },
  "luminance": 0.02751
}

Semantic roles & 50–950 ramp

primary

#1D158E

secondary

#B9C23D

accent

#F137E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D158E

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

Preview Lab → · Contrast checker → · Palette generator →