#1D227D#1D227D

#1D227D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.150 H 271.8°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D227D
RGB	rgb(29, 34, 125)
HSL	hsl(237, 62%, 30%)
HSV	hsv(237, 77%, 49%)
CMYK	cmyk(76.8%, 72.8%, 0%, 51%)
CIE-LAB	lab(19.58, 31.19, -51.78)
CIE-LCH	lch(19.58, 60.45, 301.06°)
OKLab	oklab(31.97% 0.0048 -0.1498)
OKLCH	oklch(31.97% 0.15 271.8)
XYZ	xyz(4.7791, 2.8854, 19.7031)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D227D #7D781D

analogous

#1D527D #1D227D #481D7D

triadic

#1D227D #7D1D22 #227D1D

tetradic

#1D227D #7D1D52 #7D781D #1D7D48

square

#1D227D #7D1D52 #7D781D #1D7D48

split-complementary

#1D227D #7D481D #527D1D

monochromatic

#06071A #11144B #1D227D #2930AF #4149D3

Accessibility & contrast

On white

13.31

#1D227D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D227D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D227D

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D227D	#FFFFFF	#000000	##FFFFFF
##1D227D	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d227d;
/* rgb */ color: rgb(29, 34, 125);
/* oklch */ color: oklch(32.0% 0.150 271.8);

Tailwind

colors: {
  custom: {
    50: '#6a5da4',
    500: '#1d227d',
    950: '#000000',
  },
}

SCSS

$custom: #1d227d;
$custom-light: #6a5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d227d",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 125
  },
  "hsl": {
    "h": 236.875,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31965,
    "c": 0.14991,
    "h": 271.8
  },
  "luminance": 0.02886
}

Semantic roles & 50–950 ramp

primary

#1D227D

secondary

#B1AB45

accent

#DD42E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D227D

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

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