#1D158A#1D158A

#1D158A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.179 H 272.4°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D158A
RGB	rgb(29, 21, 138)
HSL	hsl(244, 74%, 31%)
HSV	hsv(244, 85%, 54%)
CMYK	cmyk(79%, 84.8%, 0%, 45.9%)
CIE-LAB	lab(18.50, 43.02, -61.77)
CIE-LCH	lch(18.50, 75.27, 304.86°)
OKLab	oklab(31.65% 0.0075 -0.1787)
OKLCH	oklch(31.65% 0.179 272.4)
XYZ	xyz(5.3608, 2.6319, 24.2653)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D158A #828A15

analogous

#15478A #1D158A #57158A

triadic

#1D158A #8A1D15 #158A1D

tetradic

#1D158A #8A1547 #828A15 #158A57

square

#1D158A #8A1547 #828A15 #158A57

split-complementary

#1D158A #8A5715 #478A15

monochromatic

#070520 #120D55 #1D158A #281DBF #4439E1

Accessibility & contrast

On white

13.76

#1D158A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1D158A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D158A

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D158A	#FFFFFF	#000000	##FFFFFF
##1D158A	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338D

Deuteranopia (green-blind)

#002788

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d158a;
/* rgb */ color: rgb(29, 21, 138);
/* oklch */ color: oklch(31.6% 0.179 272.4);

Tailwind

colors: {
  custom: {
    50: '#6f57ad',
    500: '#1d158a',
    950: '#000000',
  },
}

SCSS

$custom: #1d158a;
$custom-light: #6f57ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d158a",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 138
  },
  "hsl": {
    "h": 244.103,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31649,
    "c": 0.17885,
    "h": 272.4
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary

#1D158A

secondary

#B5BE3D

accent

#F038E4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1D158A

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

Preview Lab → · Contrast checker → · Palette generator →