#1D2488#1D2488

#1D2488 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.162 H 270.8°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D2488
RGB	rgb(29, 36, 136)
HSL	hsl(236, 65%, 32%)
HSV	hsv(236, 79%, 53%)
CMYK	cmyk(78.7%, 73.5%, 0%, 46.7%)
CIE-LAB	lab(21.21, 33.95, -56.04)
CIE-LCH	lch(21.21, 65.52, 301.21°)
OKLab	oklab(33.49% 0.0022 -0.1622)
OKLCH	oklch(33.49% 0.162 270.8)
XYZ	xyz(5.5800, 3.2999, 23.6306)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2488 #88811D

analogous

#1D5988 #1D2488 #4C1D88

triadic

#1D2488 #881D24 #24881D

tetradic

#1D2488 #881D59 #88811D #1D884C

square

#1D2488 #881D59 #88811D #1D884C

split-complementary

#1D2488 #884C1D #59881D

monochromatic

#070923 #121756 #1D2488 #2831BA #4851D8

Accessibility & contrast

On white

12.65

#1D2488 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D2488 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2488

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2488	#FFFFFF	#000000	##FFFFFF
##1D2488	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#002E86

Tritanopia (blue-blind)

#004053

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2488;
/* rgb */ color: rgb(29, 36, 136);
/* oklch */ color: oklch(33.5% 0.162 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d5fac',
    500: '#1d2488',
    950: '#000000',
  },
}

SCSS

$custom: #1d2488;
$custom-light: #6d5fac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2488",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 136
  },
  "hsl": {
    "h": 236.075,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33485,
    "c": 0.16227,
    "h": 270.8
  },
  "luminance": 0.03301
}

Semantic roles & 50–950 ramp

primary

#1D2488

secondary

#BAB247

accent

#DD40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D2488

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

Preview Lab → · Contrast checker → · Palette generator →