#1D2D8D#1D2D8D

#1D2D8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.159 H 268.9°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D8D
RGB	rgb(29, 45, 141)
HSL	hsl(231, 66%, 33%)
HSV	hsv(231, 79%, 55%)
CMYK	cmyk(79.4%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(23.87, 29.97, -54.78)
CIE-LCH	lch(23.87, 62.44, 298.69°)
OKLab	oklab(35.57% -0.0031 -0.1585)
OKLCH	oklch(35.57% 0.159 268.9)
XYZ	xyz(6.2511, 4.0604, 25.6484)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D8D #8D7D1D

analogous

#1D658D #1D2D8D #451D8D

triadic

#1D2D8D #8D1D2D #2D8D1D

tetradic

#1D2D8D #8D1D65 #8D7D1D #1D8D45

square

#1D2D8D #8D1D65 #8D7D1D #1D8D45

split-complementary

#1D2D8D #8D451D #658D1D

monochromatic

#080D27 #131D5A #1D2D8D #273DC0 #4B5FDA

Accessibility & contrast

On white

11.59

#1D2D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1D2D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D8D

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D8D	#FFFFFF	#000000	##FFFFFF
##1D2D8D	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2d8d;
/* rgb */ color: rgb(29, 45, 141);
/* oklch */ color: oklch(35.6% 0.159 268.9);

Tailwind

colors: {
  custom: {
    50: '#6d66af',
    500: '#1d2d8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d8d;
$custom-light: #6d66af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d8d",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 231.429,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35566,
    "c": 0.15858,
    "h": 268.9
  },
  "luminance": 0.04061
}

Semantic roles & 50–950 ramp

primary

#1D2D8D

secondary

#BCAC4A

accent

#D13FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D2D8D

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

Preview Lab → · Contrast checker → · Palette generator →