#1F268D#1F268D

#1F268D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.166 H 270.9°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F268D
RGB	rgb(31, 38, 141)
HSL	hsl(236, 64%, 34%)
HSV	hsv(236, 78%, 55%)
CMYK	cmyk(78%, 73%, 0%, 44.7%)
CIE-LAB	lab(22.30, 34.70, -57.35)
CIE-LCH	lch(22.30, 67.03, 301.17°)
OKLab	oklab(34.46% 0.0027 -0.166)
OKLCH	oklch(34.46% 0.166 270.9)
XYZ	xyz(6.0643, 3.6000, 25.5694)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F268D #8D861F

analogous

#1F5D8D #1F268D #4F1F8D

triadic

#1F268D #8D1F26 #268D1F

tetradic

#1F268D #8D1F5D #8D861F #1F8D4F

square

#1F268D #8D1F5D #8D861F #1F8D4F

split-complementary

#1F268D #8D4F1F #5D8D1F

monochromatic

#090B29 #14185B #1F268D #2A34BF #4E57D8

Accessibility & contrast

On white

12.21

#1F268D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1F268D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F268D

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F268D	#FFFFFF	#000000	##FFFFFF
##1F268D	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B90

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f268d;
/* rgb */ color: rgb(31, 38, 141);
/* oklch */ color: oklch(34.5% 0.166 270.9);

Tailwind

colors: {
  custom: {
    50: '#6e61af',
    500: '#1f268d',
    950: '#000000',
  },
}

SCSS

$custom: #1f268d;
$custom-light: #6e61af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f268d",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 141
  },
  "hsl": {
    "h": 236.182,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34459,
    "c": 0.16605,
    "h": 270.9
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#1F268D

secondary

#BBB44D

accent

#DC41E7

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #1F268D

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

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