#1D2D8E#1D2D8E

#1D2D8E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.160 H 268.9°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D8E
RGB	rgb(29, 45, 142)
HSL	hsl(232, 66%, 34%)
HSV	hsv(232, 80%, 56%)
CMYK	cmyk(79.6%, 68.3%, 0%, 44.3%)
CIE-LAB	lab(23.97, 30.35, -55.24)
CIE-LCH	lch(23.97, 63.03, 298.79°)
OKLab	oklab(35.67% -0.0031 -0.1599)
OKLCH	oklch(35.67% 0.16 268.9)
XYZ	xyz(6.3259, 4.0903, 26.0420)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D8E #8E7E1D

analogous

#1D658E #1D2D8E #451D8E

triadic

#1D2D8E #8E1D2D #2D8E1D

tetradic

#1D2D8E #8E1D65 #8E7E1D #1D8E45

square

#1D2D8E #8E1D65 #8E7E1D #1D8E45

split-complementary

#1D2D8E #8E451D #658E1D

monochromatic

#080D28 #131D5B #1D2D8E #273DC1 #4B5FDA

Accessibility & contrast

On white

11.55

#1D2D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D2D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D8E

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D8E	#FFFFFF	#000000	##FFFFFF
##1D2D8E	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2d8e;
/* rgb */ color: rgb(29, 45, 142);
/* oklch */ color: oklch(35.7% 0.160 268.9);

Tailwind

colors: {
  custom: {
    50: '#6d66b0',
    500: '#1d2d8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d8e;
$custom-light: #6d66b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d8e",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 142
  },
  "hsl": {
    "h": 231.504,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35667,
    "c": 0.15992,
    "h": 268.9
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#1D2D8E

secondary

#BDAC4A

accent

#D13FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D2D8E

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

Preview Lab → · Contrast checker → · Palette generator →