#1D2A8C#1D2A8C

#1D2A8C is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.161 H 269.5°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A8C
RGB	rgb(29, 42, 140)
HSL	hsl(233, 66%, 33%)
HSV	hsv(233, 79%, 55%)
CMYK	cmyk(79.3%, 70%, 0%, 45.1%)
CIE-LAB	lab(23.03, 31.58, -55.53)
CIE-LCH	lch(23.03, 63.88, 299.62°)
OKLab	oklab(34.93% -0.0013 -0.1608)
OKLCH	oklch(34.93% 0.161 269.5)
XYZ	xyz(6.0667, 3.8099, 25.2215)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A8C #8C7F1D

analogous

#1D618C #1D2A8C #471D8C

triadic

#1D2A8C #8C1D2A #2A8C1D

tetradic

#1D2A8C #8C1D61 #8C7F1D #1D8C47

square

#1D2A8C #8C1D61 #8C7F1D #1D8C47

split-complementary

#1D2A8C #8C471D #618C1D

monochromatic

#080C27 #121B59 #1D2A8C #2839BF #4A5BD9

Accessibility & contrast

On white

11.92

#1D2A8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D2A8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A8C

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A8C	#FFFFFF	#000000	##FFFFFF
##1D2A8C	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#00328A

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2a8c;
/* rgb */ color: rgb(29, 42, 140);
/* oklch */ color: oklch(34.9% 0.161 269.5);

Tailwind

colors: {
  custom: {
    50: '#6d64af',
    500: '#1d2a8c',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a8c;
$custom-light: #6d64af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a8c",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 140
  },
  "hsl": {
    "h": 232.973,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34927,
    "c": 0.16078,
    "h": 269.5
  },
  "luminance": 0.03811
}

Semantic roles & 50–950 ramp

primary

#1D2A8C

secondary

#BCAE49

accent

#D53FE9

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2A8C

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

Preview Lab → · Contrast checker → · Palette generator →