#1D4391#1D4391

#1D4391 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.136 H 262.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D4391
RGB	rgb(29, 67, 145)
HSL	hsl(220, 67%, 34%)
HSV	hsv(220, 80%, 57%)
CMYK	cmyk(80%, 53.8%, 0%, 43.1%)
CIE-LAB	lab(30.20, 16.47, -46.91)
CIE-LCH	lch(30.20, 49.72, 289.35°)
OKLab	oklab(40.4% -0.0178 -0.1352)
OKLCH	oklch(40.4% 0.136 262.5)
XYZ	xyz(7.6228, 6.3190, 27.6005)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4391 #916B1D

analogous

#1D7D91 #1D4391 #311D91

triadic

#1D4391 #911D43 #43911D

tetradic

#1D4391 #911D7D #916B1D #1D9131

square

#1D4391 #911D7D #916B1D #1D9131

split-complementary

#1D4391 #91311D #7D911D

monochromatic

#09142B #132B5E #1D4391 #275BC4 #4D7CDB

Accessibility & contrast

On white

9.28

#1D4391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1D4391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4391

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4391	#FFFFFF	#000000	##FFFFFF
##1D4391	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4D94

Deuteranopia (green-blind)

#00428F

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d4391;
/* rgb */ color: rgb(29, 67, 145);
/* oklch */ color: oklch(40.4% 0.136 262.5);

Tailwind

colors: {
  custom: {
    50: '#6c76b2',
    500: '#1d4391',
    950: '#000000',
  },
}

SCSS

$custom: #1d4391;
$custom-light: #6c76b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4391",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 145
  },
  "hsl": {
    "h": 220.345,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40399,
    "c": 0.13634,
    "h": 262.5
  },
  "luminance": 0.0632
}

Semantic roles & 50–950 ramp

primary

#1D4391

secondary

#BE994C

accent

#B13EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4391

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

Preview Lab → · Contrast checker → · Palette generator →