#1D3595#1D3595

#1D3595 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.160 H 267.1°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D3595
RGB	rgb(29, 53, 149)
HSL	hsl(228, 67%, 35%)
HSV	hsv(228, 81%, 58%)
CMYK	cmyk(80.5%, 64.4%, 0%, 41.6%)
CIE-LAB	lab(26.67, 27.67, -55.13)
CIE-LCH	lch(26.67, 61.68, 296.66°)
OKLab	oklab(37.85% -0.008 -0.1595)
OKLCH	oklch(37.85% 0.16 267.1)
XYZ	xyz(7.2027, 4.9765, 29.0089)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3595 #957D1D

analogous

#1D7195 #1D3595 #411D95

triadic

#1D3595 #951D35 #35951D

tetradic

#1D3595 #951D71 #957D1D #1D9541

square

#1D3595 #951D71 #957D1D #1D9541

split-complementary

#1D3595 #95411D #71951D

monochromatic

#09112F #132362 #1D3595 #2747C8 #506CDD

Accessibility & contrast

On white

10.52

#1D3595 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1D3595 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3595

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3595	#FFFFFF	#000000	##FFFFFF
##1D3595	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004598

Deuteranopia (green-blind)

#003A93

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d3595;
/* rgb */ color: rgb(29, 53, 149);
/* oklch */ color: oklch(37.9% 0.160 267.1);

Tailwind

colors: {
  custom: {
    50: '#6e6cb5',
    500: '#1d3595',
    950: '#000000',
  },
}

SCSS

$custom: #1d3595;
$custom-light: #6e6cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3595",
  "rgb": {
    "r": 29,
    "g": 53,
    "b": 149
  },
  "hsl": {
    "h": 228,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37852,
    "c": 0.15971,
    "h": 267.1
  },
  "luminance": 0.04977
}

Semantic roles & 50–950 ramp

primary

#1D3595

secondary

#C0A94E

accent

#C83DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D3595

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

Preview Lab → · Contrast checker → · Palette generator →