#1D2A77#1D2A77

#1D2A77 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.132 H 270.0°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A77
RGB	rgb(29, 42, 119)
HSL	hsl(231, 61%, 29%)
HSV	hsv(231, 76%, 47%)
CMYK	cmyk(75.6%, 64.7%, 0%, 53.3%)
CIE-LAB	lab(21.01, 23.50, -45.60)
CIE-LCH	lch(21.01, 51.30, 297.27°)
OKLab	oklab(32.83% 0 -0.1317)
OKLCH	oklch(32.83% 0.132 270)
XYZ	xyz(4.6633, 3.2486, 17.8305)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A77 #776A1D

analogous

#1D5777 #1D2A77 #3D1D77

triadic

#1D2A77 #771D2A #2A771D

tetradic

#1D2A77 #771D57 #776A1D #1D773D

square

#1D2A77 #771D57 #776A1D #1D773D

split-complementary

#1D2A77 #773D1D #57771D

monochromatic

#060919 #111946 #1D2A77 #293BA8 #3E53D0

Accessibility & contrast

On white

12.73

#1D2A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D2A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A77

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A77	#FFFFFF	#000000	##FFFFFF
##1D2A77	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2a77;
/* rgb */ color: rgb(29, 42, 119);
/* oklch */ color: oklch(32.8% 0.132 270.0);

Tailwind

colors: {
  custom: {
    50: '#67639f',
    500: '#1d2a77',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a77;
$custom-light: #67639f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a77",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 119
  },
  "hsl": {
    "h": 231.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32831,
    "c": 0.13172,
    "h": 270
  },
  "luminance": 0.03249
}

Semantic roles & 50–950 ramp

primary

#1D2A77

secondary

#AB9C45

accent

#CD44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #1D2A77

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

Preview Lab → · Contrast checker → · Palette generator →