#1D2281#1D2281

#1D2281 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.155 H 271.6°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D2281
RGB	rgb(29, 34, 129)
HSL	hsl(237, 63%, 31%)
HSV	hsv(237, 78%, 51%)
CMYK	cmyk(77.5%, 73.6%, 0%, 49.4%)
CIE-LAB	lab(20.00, 32.66, -53.62)
CIE-LCH	lch(20.00, 62.78, 301.35°)
OKLab	oklab(32.4% 0.0043 -0.1552)
OKLCH	oklch(32.4% 0.155 271.6)
XYZ	xyz(5.0398, 2.9897, 21.0761)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2281 #817C1D

analogous

#1D5481 #1D2281 #4A1D81

triadic

#1D2281 #811D22 #22811D

tetradic

#1D2281 #811D54 #817C1D #1D814A

square

#1D2281 #811D54 #817C1D #1D814A

split-complementary

#1D2281 #814A1D #54811D

monochromatic

#07081D #12154F #1D2281 #282FB3 #444BD5

Accessibility & contrast

On white

13.14

#1D2281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D2281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2281

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2281	#FFFFFF	#000000	##FFFFFF
##1D2281	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#002B7F

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2281;
/* rgb */ color: rgb(29, 34, 129);
/* oklch */ color: oklch(32.4% 0.155 271.6);

Tailwind

colors: {
  custom: {
    50: '#6b5ea7',
    500: '#1d2281',
    950: '#000000',
  },
}

SCSS

$custom: #1d2281;
$custom-light: #6b5ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2281",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 129
  },
  "hsl": {
    "h": 237,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32397,
    "c": 0.15525,
    "h": 271.6
  },
  "luminance": 0.0299
}

Semantic roles & 50–950 ramp

primary

#1D2281

secondary

#B4AF46

accent

#DE41E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #1D2281

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

Preview Lab → · Contrast checker → · Palette generator →