#1D227C#1D227C

#1D227C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.149 H 271.9°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D227C
RGB	rgb(29, 34, 124)
HSL	hsl(237, 62%, 30%)
HSV	hsv(237, 77%, 49%)
CMYK	cmyk(76.6%, 72.6%, 0%, 51.4%)
CIE-LAB	lab(19.47, 30.82, -51.32)
CIE-LCH	lch(19.47, 59.86, 300.99°)
OKLab	oklab(31.86% 0.005 -0.1485)
OKLCH	oklch(31.86% 0.149 271.9)
XYZ	xyz(4.7156, 2.8600, 19.3684)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D227C #7C771D

analogous

#1D527C #1D227C #471D7C

triadic

#1D227C #7C1D22 #227C1D

tetradic

#1D227C #7C1D52 #7C771D #1D7C47

square

#1D227C #7C1D52 #7C771D #1D7C47

split-complementary

#1D227C #7C471D #527C1D

monochromatic

#060719 #11144A #1D227C #2930AE #4149D3

Accessibility & contrast

On white

13.36

#1D227C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1D227C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D227C

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D227C	#FFFFFF	#000000	##FFFFFF
##1D227C	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d227c;
/* rgb */ color: rgb(29, 34, 124);
/* oklch */ color: oklch(31.9% 0.149 271.9);

Tailwind

colors: {
  custom: {
    50: '#6a5da3',
    500: '#1d227c',
    950: '#000000',
  },
}

SCSS

$custom: #1d227c;
$custom-light: #6a5da3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d227c",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 124
  },
  "hsl": {
    "h": 236.842,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.31858,
    "c": 0.14856,
    "h": 271.9
  },
  "luminance": 0.02861
}

Semantic roles & 50–950 ramp

primary

#1D227C

secondary

#B0AA45

accent

#DD43E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D227C

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

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