#1D2990#1D2990

#1D2990 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.167 H 269.6°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D2990
RGB	rgb(29, 41, 144)
HSL	hsl(234, 66%, 34%)
HSV	hsv(234, 80%, 56%)
CMYK	cmyk(79.9%, 71.5%, 0%, 43.5%)
CIE-LAB	lab(23.20, 33.71, -57.73)
CIE-LCH	lch(23.20, 66.86, 300.28°)
OKLab	oklab(35.17% -0.0012 -0.1672)
OKLCH	oklch(35.17% 0.167 269.6)
XYZ	xyz(6.3319, 3.8600, 26.7915)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2990 #90841D

analogous

#1D6390 #1D2990 #4B1D90

triadic

#1D2990 #901D29 #29901D

tetradic

#1D2990 #901D63 #90841D #1D904B

square

#1D2990 #901D63 #90841D #1D904B

split-complementary

#1D2990 #904B1D #63901D

monochromatic

#080C2A #131A5D #1D2990 #2738C3 #4C5BDB

Accessibility & contrast

On white

11.85

#1D2990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D2990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2990

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2990	#FFFFFF	#000000	##FFFFFF
##1D2990	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2990;
/* rgb */ color: rgb(29, 41, 144);
/* oklch */ color: oklch(35.2% 0.167 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e63b2',
    500: '#1d2990',
    950: '#000000',
  },
}

SCSS

$custom: #1d2990;
$custom-light: #6e63b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2990",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 144
  },
  "hsl": {
    "h": 233.739,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35173,
    "c": 0.16719,
    "h": 269.6
  },
  "luminance": 0.03861
}

Semantic roles & 50–950 ramp

primary

#1D2990

secondary

#BDB24B

accent

#D83EE9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1D2990

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

Preview Lab → · Contrast checker → · Palette generator →