#1D3372#1D3372

#1D3372 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.3% C 0.112 H 266.1°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D3372
RGB	rgb(29, 51, 114)
HSL	hsl(224, 59%, 28%)
HSV	hsv(224, 75%, 45%)
CMYK	cmyk(74.6%, 55.3%, 0%, 55.3%)
CIE-LAB	lab(23.15, 15.13, -38.94)
CIE-LCH	lch(23.15, 41.78, 291.24°)
OKLab	oklab(34.29% -0.0077 -0.112)
OKLCH	oklch(34.29% 0.112 266.1)
XYZ	xyz(4.7267, 3.8433, 16.4090)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3372 #725C1D

analogous

#1D5D72 #1D3372 #321D72

triadic

#1D3372 #721D33 #33721D

tetradic

#1D3372 #721D5D #725C1D #1D7232

square

#1D3372 #721D5D #725C1D #1D7232

split-complementary

#1D3372 #72321D #5D721D

monochromatic

#060B18 #111D41 #1D3372 #2949A3 #3C62CD

Accessibility & contrast

On white

11.87

#1D3372 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D3372 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3372

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3372	#FFFFFF	#000000	##FFFFFF
##1D3372	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073B74

Deuteranopia (green-blind)

#003371

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d3372;
/* rgb */ color: rgb(29, 51, 114);
/* oklch */ color: oklch(34.3% 0.112 266.1);

Tailwind

colors: {
  custom: {
    50: '#656a9b',
    500: '#1d3372',
    950: '#000000',
  },
}

SCSS

$custom: #1d3372;
$custom-light: #656a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3372",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 114
  },
  "hsl": {
    "h": 224.471,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34295,
    "c": 0.11226,
    "h": 266.1
  },
  "luminance": 0.03844
}

Semantic roles & 50–950 ramp

primary

#1D3372

secondary

#A68D45

accent

#BA45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D3372

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

Preview Lab → · Contrast checker → · Palette generator →