#1D229E#1D229E

#1D229E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.192 H 269.8°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#1D229E
RGB	rgb(29, 34, 158)
HSL	hsl(238, 69%, 37%)
HSV	hsv(238, 82%, 62%)
CMYK	cmyk(81.6%, 78.5%, 0%, 38%)
CIE-LAB	lab(23.25, 42.86, -66.28)
CIE-LCH	lch(23.25, 78.93, 302.89°)
OKLab	oklab(35.66% -0.0006 -0.192)
OKLCH	oklch(35.66% 0.192 269.8)
XYZ	xyz(7.2482, 3.8730, 32.7067)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D229E #9E991D

analogous

#1D639E #1D229E #581D9E

triadic

#1D229E #9E1D22 #229E1D

tetradic

#1D229E #9E1D63 #9E991D #1D9E58

square

#1D229E #9E1D63 #9E991D #1D9E58

split-complementary

#1D229E #9E581D #639E1D

monochromatic

#0A0C37 #14176A #1D229E #262DD2 #565BE0

Accessibility & contrast

On white

11.83

#1D229E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D229E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D229E

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D229E	#FFFFFF	#000000	##FFFFFF
##1D229E	1.00	11.83	1.77	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d229e;
/* rgb */ color: rgb(29, 34, 158);
/* oklch */ color: oklch(35.7% 0.192 269.8);

Tailwind

colors: {
  custom: {
    50: '#735fbc',
    500: '#1d229e',
    950: '#000000',
  },
}

SCSS

$custom: #1d229e;
$custom-light: #735fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d229e",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 158
  },
  "hsl": {
    "h": 237.674,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3566,
    "c": 0.19197,
    "h": 269.8
  },
  "luminance": 0.03874
}

Semantic roles & 50–950 ramp

primary

#1D229E

secondary

#C3BF54

accent

#E53CEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1D229E

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

Preview Lab → · Contrast checker → · Palette generator →