#1D2E8D#1D2E8D

#1D2E8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.157 H 268.7°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E8D
RGB	rgb(29, 46, 141)
HSL	hsl(231, 66%, 33%)
HSV	hsv(231, 79%, 55%)
CMYK	cmyk(79.4%, 67.4%, 0%, 44.7%)
CIE-LAB	lab(24.12, 29.30, -54.36)
CIE-LCH	lch(24.12, 61.76, 298.33°)
OKLab	oklab(35.75% -0.0036 -0.1573)
OKLCH	oklch(35.75% 0.157 268.7)
XYZ	xyz(6.2897, 4.1376, 25.6613)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E8D #8D7C1D

analogous

#1D668D #1D2E8D #441D8D

triadic

#1D2E8D #8D1D2E #2E8D1D

tetradic

#1D2E8D #8D1D66 #8D7C1D #1D8D44

square

#1D2E8D #8D1D66 #8D7C1D #1D8D44

split-complementary

#1D2E8D #8D441D #668D1D

monochromatic

#080D27 #131D5A #1D2E8D #273FC0 #4B60DA

Accessibility & contrast

On white

11.49

#1D2E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1D2E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E8D

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E8D	#FFFFFF	#000000	##FFFFFF
##1D2E8D	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2e8d;
/* rgb */ color: rgb(29, 46, 141);
/* oklch */ color: oklch(35.8% 0.157 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d66af',
    500: '#1d2e8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e8d;
$custom-light: #6d66af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e8d",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 141
  },
  "hsl": {
    "h": 230.893,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3575,
    "c": 0.15738,
    "h": 268.7
  },
  "luminance": 0.04138
}

Semantic roles & 50–950 ramp

primary

#1D2E8D

secondary

#BCAB4A

accent

#CF3FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D2E8D

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

Preview Lab → · Contrast checker → · Palette generator →