#1D4087#1D4087

#1D4087 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 38.9% C 0.126 H 262.4°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#1D4087
RGB	rgb(29, 64, 135)
HSL	hsl(220, 65%, 32%)
HSV	hsv(220, 79%, 53%)
CMYK	cmyk(78.5%, 52.6%, 0%, 47.1%)
CIE-LAB	lab(28.58, 14.51, -43.37)
CIE-LCH	lch(28.58, 45.73, 288.49°)
OKLab	oklab(38.93% -0.0166 -0.1248)
OKLCH	oklch(38.93% 0.126 262.4)
XYZ	xyz(6.7117, 5.6765, 23.6589)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4087 #87641D

analogous

#1D7587 #1D4087 #2F1D87

triadic

#1D4087 #871D40 #40871D

tetradic

#1D4087 #871D75 #87641D #1D872F

square

#1D4087 #871D75 #87641D #1D872F

split-complementary

#1D4087 #872F1D #75871D

monochromatic

#071022 #122855 #1D4087 #2858B9 #4777D7

Accessibility & contrast

On white

9.83

#1D4087 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1D4087 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4087

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4087	#FFFFFF	#000000	##FFFFFF
##1D4087	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12498A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4087;
/* rgb */ color: rgb(29, 64, 135);
/* oklch */ color: oklch(38.9% 0.126 262.4);

Tailwind

colors: {
  custom: {
    50: '#6a74aa',
    500: '#1d4087',
    950: '#000000',
  },
}

SCSS

$custom: #1d4087;
$custom-light: #6a74aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4087",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 135
  },
  "hsl": {
    "h": 220.189,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38928,
    "c": 0.12591,
    "h": 262.4
  },
  "luminance": 0.05677
}

Semantic roles & 50–950 ramp

primary

#1D4087

secondary

#B99346

accent

#B040E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4087

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

Preview Lab → · Contrast checker → · Palette generator →