#1D1B85#1D1B85

#1D1B85 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.168 H 272.3°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D1B85
RGB	rgb(29, 27, 133)
HSL	hsl(241, 66%, 31%)
HSV	hsv(241, 80%, 52%)
CMYK	cmyk(78.2%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(18.96, 38.27, -57.86)
CIE-LCH	lch(18.96, 69.37, 303.48°)
OKLab	oklab(31.79% 0.0067 -0.1675)
OKLCH	oklch(31.79% 0.168 272.3)
XYZ	xyz(5.1308, 2.7380, 22.4438)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1B85 #83851B

analogous

#1B4E85 #1D1B85 #521B85

triadic

#1D1B85 #851D1B #1B851D

tetradic

#1D1B85 #851B4E #83851B #1B8552

square

#1D1B85 #851B4E #83851B #1B8552

split-complementary

#1D1B85 #85521B #4E851B

monochromatic

#07061F #121152 #1D1B85 #2825B8 #4542D9

Accessibility & contrast

On white

13.57

#1D1B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D1B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1B85

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1B85	#FFFFFF	#000000	##FFFFFF
##1D1B85	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003388

Deuteranopia (green-blind)

#002983

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d1b85;
/* rgb */ color: rgb(29, 27, 133);
/* oklch */ color: oklch(31.8% 0.168 272.3);

Tailwind

colors: {
  custom: {
    50: '#6d59aa',
    500: '#1d1b85',
    950: '#000000',
  },
}

SCSS

$custom: #1d1b85;
$custom-light: #6d59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1b85",
  "rgb": {
    "r": 29,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 241.132,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31791,
    "c": 0.16761,
    "h": 272.3
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#1D1B85

secondary

#B6B844

accent

#E93FE6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1B85

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

Preview Lab → · Contrast checker → · Palette generator →