#1D255D#1D255D

#1D255D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.100 H 272.6°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D255D
RGB	rgb(29, 37, 93)
HSL	hsl(233, 52%, 24%)
HSV	hsv(233, 69%, 36%)
CMYK	cmyk(68.8%, 60.2%, 0%, 63.5%)
CIE-LAB	lab(17.34, 16.78, -34.66)
CIE-LCH	lch(17.34, 38.51, 295.84°)
OKLab	oklab(29.39% 0.0045 -0.0996)
OKLCH	oklch(29.39% 0.1 272.6)
XYZ	xyz(3.1434, 2.3744, 10.6465)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D255D #5D551D

analogous

#1D455D #1D255D #351D5D

triadic

#1D255D #5D1D25 #255D1D

tetradic

#1D255D #5D1D45 #5D551D #1D5D35

square

#1D255D #5D1D45 #5D551D #1D5D35

split-complementary

#1D255D #5D351D #455D1D

monochromatic

#070917 #0E122E #1D255D #2C388C #3A4ABA

Accessibility & contrast

On white

14.24

#1D255D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1D255D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D255D

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D255D	#FFFFFF	#000000	##FFFFFF
##1D255D	1.00	14.24	1.48	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E5F

Deuteranopia (green-blind)

#00285C

Tritanopia (blue-blind)

#00323D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1d255d;
/* rgb */ color: rgb(29, 37, 93);
/* oklch */ color: oklch(29.4% 0.100 272.6);

Tailwind

colors: {
  custom: {
    50: '#615f8b',
    500: '#1d255d',
    950: '#000000',
  },
}

SCSS

$custom: #1d255d;
$custom-light: #615f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d255d",
  "rgb": {
    "r": 29,
    "g": 37,
    "b": 93
  },
  "hsl": {
    "h": 232.5,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.29394,
    "c": 0.09972,
    "h": 272.6
  },
  "luminance": 0.02375
}

Semantic roles & 50–950 ramp

primary

#1D255D

secondary

#928844

accent

#CA4CDC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1D255D

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

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