#1F268C#1F268C

#1F268C is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.4% C 0.165 H 271.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F268C
RGB	rgb(31, 38, 140)
HSL	hsl(236, 64%, 34%)
HSV	hsv(236, 78%, 55%)
CMYK	cmyk(77.9%, 72.9%, 0%, 45.1%)
CIE-LAB	lab(22.20, 34.34, -56.90)
CIE-LCH	lch(22.20, 66.46, 301.11°)
OKLab	oklab(34.35% 0.0029 -0.1647)
OKLCH	oklch(34.35% 0.165 271)
XYZ	xyz(5.9902, 3.5703, 25.1793)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F268C #8C851F

analogous

#1F5C8C #1F268C #4E1F8C

triadic

#1F268C #8C1F26 #268C1F

tetradic

#1F268C #8C1F5C #8C851F #1F8C4E

square

#1F268C #8C1F5C #8C851F #1F8C4E

split-complementary

#1F268C #8C4E1F #5C8C1F

monochromatic

#090B28 #14185A #1F268C #2A34BE #4E57D8

Accessibility & contrast

On white

12.25

#1F268C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F268C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F268C

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F268C	#FFFFFF	#000000	##FFFFFF
##1F268C	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00308A

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f268c;
/* rgb */ color: rgb(31, 38, 140);
/* oklch */ color: oklch(34.4% 0.165 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e61af',
    500: '#1f268c',
    950: '#000000',
  },
}

SCSS

$custom: #1f268c;
$custom-light: #6e61af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f268c",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 140
  },
  "hsl": {
    "h": 236.147,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34352,
    "c": 0.16476,
    "h": 271
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#1F268C

secondary

#BBB34C

accent

#DC41E7

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F268C

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

Preview Lab → · Contrast checker → · Palette generator →