#1D2374#1D2374

#1D2374 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.2% C 0.136 H 272.2°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D2374
RGB	rgb(29, 35, 116)
HSL	hsl(236, 60%, 28%)
HSV	hsv(236, 75%, 45%)
CMYK	cmyk(75%, 69.8%, 0%, 54.5%)
CIE-LAB	lab(18.90, 27.15, -47.14)
CIE-LCH	lch(18.90, 54.40, 299.94°)
OKLab	oklab(31.2% 0.0053 -0.1363)
OKLCH	oklch(31.2% 0.136 272.2)
XYZ	xyz(4.2590, 2.7238, 16.8209)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2374 #746E1D

analogous

#1D4E74 #1D2374 #421D74

triadic

#1D2374 #741D23 #23741D

tetradic

#1D2374 #741D4E #746E1D #1D7442

square

#1D2374 #741D4E #746E1D #1D7442

split-complementary

#1D2374 #74421D #4E741D

monochromatic

#060718 #111443 #1D2374 #2932A5 #3D47CE

Accessibility & contrast

On white

13.59

#1D2374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D2374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2374

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2374	#FFFFFF	#000000	##FFFFFF
##1D2374	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#002A72

Tritanopia (blue-blind)

#003948

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2374;
/* rgb */ color: rgb(29, 35, 116);
/* oklch */ color: oklch(31.2% 0.136 272.2);

Tailwind

colors: {
  custom: {
    50: '#675e9d',
    500: '#1d2374',
    950: '#000000',
  },
}

SCSS

$custom: #1d2374;
$custom-light: #675e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2374",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 116
  },
  "hsl": {
    "h": 235.862,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31196,
    "c": 0.13637,
    "h": 272.2
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#1D2374

secondary

#A8A145

accent

#D845E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2374

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

Preview Lab → · Contrast checker → · Palette generator →