#1D2387#1D2387

#1D2387 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.162 H 271.0°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D2387
RGB	rgb(29, 35, 135)
HSL	hsl(237, 65%, 32%)
HSV	hsv(237, 79%, 53%)
CMYK	cmyk(78.5%, 74.1%, 0%, 47.1%)
CIE-LAB	lab(20.87, 34.22, -55.96)
CIE-LCH	lch(20.87, 65.59, 301.44°)
OKLab	oklab(33.21% 0.0029 -0.162)
OKLCH	oklch(33.21% 0.162 271)
XYZ	xyz(5.4794, 3.2119, 23.2482)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2387 #87811D

analogous

#1D5887 #1D2387 #4C1D87

triadic

#1D2387 #871D23 #23871D

tetradic

#1D2387 #871D58 #87811D #1D874C

square

#1D2387 #871D58 #87811D #1D874C

split-complementary

#1D2387 #874C1D #58871D

monochromatic

#070922 #121655 #1D2387 #2830B9 #474FD7

Accessibility & contrast

On white

12.78

#1D2387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1D2387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2387

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2387	#FFFFFF	#000000	##FFFFFF
##1D2387	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2387;
/* rgb */ color: rgb(29, 35, 135);
/* oklch */ color: oklch(33.2% 0.162 271.0);

Tailwind

colors: {
  custom: {
    50: '#6c5fab',
    500: '#1d2387',
    950: '#000000',
  },
}

SCSS

$custom: #1d2387;
$custom-light: #6c5fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2387",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 135
  },
  "hsl": {
    "h": 236.604,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33213,
    "c": 0.16205,
    "h": 271
  },
  "luminance": 0.03213
}

Semantic roles & 50–950 ramp

primary

#1D2387

secondary

#B9B346

accent

#DE40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D2387

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

Preview Lab → · Contrast checker → · Palette generator →