#1D2C63#1D2C63

#1D2C63 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.5% C 0.099 H 268.6°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C63
RGB	rgb(29, 44, 99)
HSL	hsl(227, 55%, 25%)
HSV	hsv(227, 71%, 39%)
CMYK	cmyk(70.7%, 55.6%, 0%, 61.2%)
CIE-LAB	lab(19.90, 14.10, -34.48)
CIE-LCH	lch(19.90, 37.25, 292.24°)
OKLab	oklab(31.47% -0.0023 -0.099)
OKLCH	oklch(31.47% 0.099 268.6)
XYZ	xyz(3.6587, 2.9631, 12.1811)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C63 #63541D

analogous

#1D4F63 #1D2C63 #311D63

triadic

#1D2C63 #631D2C #2C631D

tetradic

#1D2C63 #631D4F #63541D #1D6331

square

#1D2C63 #631D4F #63541D #1D6331

split-complementary

#1D2C63 #63311D #4F631D

monochromatic

#070B18 #0F1734 #1D2C63 #2B4192 #3956C2

Accessibility & contrast

On white

13.19

#1D2C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D2C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C63

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C63	#FFFFFF	#000000	##FFFFFF
##1D2C63	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093365

Deuteranopia (green-blind)

#002D62

Tritanopia (blue-blind)

#003943

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2c63;
/* rgb */ color: rgb(29, 44, 99);
/* oklch */ color: oklch(31.5% 0.099 268.6);

Tailwind

colors: {
  custom: {
    50: '#626490',
    500: '#1d2c63',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c63;
$custom-light: #626490;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c63",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 99
  },
  "hsl": {
    "h": 227.143,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31466,
    "c": 0.09904,
    "h": 268.6
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#1D2C63

secondary

#988644

accent

#BE4ADE

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06050C

muted

#7A7A7D

Preview Lab

Preview with #1D2C63

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

Preview Lab → · Contrast checker → · Palette generator →