#1D2F87#1D2F87

#1D2F87 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.148 H 268.5°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F87
RGB	rgb(29, 47, 135)
HSL	hsl(230, 65%, 32%)
HSV	hsv(230, 79%, 53%)
CMYK	cmyk(78.5%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(23.81, 26.31, -51.13)
CIE-LCH	lch(23.81, 57.50, 297.23°)
OKLab	oklab(35.35% -0.004 -0.1479)
OKLCH	oklch(35.35% 0.148 268.5)
XYZ	xyz(5.8949, 4.0429, 23.3866)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F87 #87751D

analogous

#1D6487 #1D2F87 #401D87

triadic

#1D2F87 #871D2F #2F871D

tetradic

#1D2F87 #871D64 #87751D #1D8740

square

#1D2F87 #871D64 #87751D #1D8740

split-complementary

#1D2F87 #87401D #64871D

monochromatic

#070C22 #121D55 #1D2F87 #2841B9 #475FD7

Accessibility & contrast

On white

11.61

#1D2F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1D2F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F87

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F87	#FFFFFF	#000000	##FFFFFF
##1D2F87	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003485

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2f87;
/* rgb */ color: rgb(29, 47, 135);
/* oklch */ color: oklch(35.4% 0.148 268.5);

Tailwind

colors: {
  custom: {
    50: '#6b67ab',
    500: '#1d2f87',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f87;
$custom-light: #6b67ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f87",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 229.811,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3535,
    "c": 0.14792,
    "h": 268.5
  },
  "luminance": 0.04044
}

Semantic roles & 50–950 ramp

primary

#1D2F87

secondary

#B9A646

accent

#CB40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D2F87

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

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