#1D1E63#1D1E63

#1D1E63 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.5% C 0.118 H 275.3°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D1E63
RGB	rgb(29, 30, 99)
HSL	hsl(239, 55%, 25%)
HSV	hsv(239, 71%, 39%)
CMYK	cmyk(70.7%, 69.7%, 0%, 61.2%)
CIE-LAB	lab(15.95, 24.09, -40.89)
CIE-LCH	lch(15.95, 47.46, 300.51°)
OKLab	oklab(28.54% 0.0109 -0.118)
OKLCH	oklch(28.54% 0.119 275.3)
XYZ	xyz(3.2224, 2.0903, 12.0356)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1E63 #63621D

analogous

#1D4163 #1D1E63 #3F1D63

triadic

#1D1E63 #631D1E #1E631D

tetradic

#1D1E63 #631D41 #63621D #1D633F

square

#1D1E63 #631D41 #63621D #1D633F

split-complementary

#1D1E63 #633F1D #41631D

monochromatic

#070718 #0F1034 #1D1E63 #2B2C92 #393BC2

Accessibility & contrast

On white

14.81

#1D1E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1D1E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1E63

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1E63	#FFFFFF	#000000	##FFFFFF
##1D1E63	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002562

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1d1e63;
/* rgb */ color: rgb(29, 30, 99);
/* oklch */ color: oklch(28.5% 0.118 275.3);

Tailwind

colors: {
  custom: {
    50: '#635a90',
    500: '#1d1e63',
    950: '#000000',
  },
}

SCSS

$custom: #1d1e63;
$custom-light: #635a90;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1e63",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 99
  },
  "hsl": {
    "h": 239.143,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28539,
    "c": 0.1185,
    "h": 275.3
  },
  "luminance": 0.02091
}

Semantic roles & 50–950 ramp

primary

#1D1E63

secondary

#989744

accent

#DC4ADE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1D1E63

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

Preview Lab → · Contrast checker → · Palette generator →