#1D227A#1D227A

#1D227A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.146 H 272.1°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D227A
RGB	rgb(29, 34, 122)
HSL	hsl(237, 62%, 30%)
HSV	hsv(237, 76%, 48%)
CMYK	cmyk(76.2%, 72.1%, 0%, 52.2%)
CIE-LAB	lab(19.27, 30.08, -50.39)
CIE-LCH	lch(19.27, 58.68, 300.83°)
OKLab	oklab(31.65% 0.0052 -0.1458)
OKLCH	oklch(31.65% 0.146 272.1)
XYZ	xyz(4.5904, 2.8099, 18.7090)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D227A #7A751D

analogous

#1D517A #1D227A #471D7A

triadic

#1D227A #7A1D22 #227A1D

tetradic

#1D227A #7A1D51 #7A751D #1D7A47

square

#1D227A #7A1D51 #7A751D #1D7A47

split-complementary

#1D227A #7A471D #517A1D

monochromatic

#060719 #111449 #1D227A #2930AB #4048D2

Accessibility & contrast

On white

13.44

#1D227A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D227A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D227A

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D227A	#FFFFFF	#000000	##FFFFFF
##1D227A	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d227a;
/* rgb */ color: rgb(29, 34, 122);
/* oklch */ color: oklch(31.6% 0.146 272.1);

Tailwind

colors: {
  custom: {
    50: '#695da1',
    500: '#1d227a',
    950: '#000000',
  },
}

SCSS

$custom: #1d227a;
$custom-light: #695da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d227a",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 122
  },
  "hsl": {
    "h": 236.774,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31645,
    "c": 0.14585,
    "h": 272.1
  },
  "luminance": 0.0281
}

Semantic roles & 50–950 ramp

primary

#1D227A

secondary

#AEA845

accent

#DC43E5

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D227A

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

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