#1F116D#1F116D

#1F116D is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.146 H 278.0°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#1F116D
RGB	rgb(31, 17, 109)
HSL	hsl(249, 73%, 25%)
HSV	hsv(249, 84%, 43%)
CMYK	cmyk(71.6%, 84.4%, 0%, 57.3%)
CIE-LAB	lab(14.38, 35.80, -50.05)
CIE-LCH	lch(14.38, 61.54, 305.57°)
OKLab	oklab(27.79% 0.0202 -0.1446)
OKLCH	oklch(27.79% 0.146 278)
XYZ	xyz(3.5249, 1.7960, 14.6259)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F116D #5F6D11

analogous

#11316D #1F116D #4D116D

triadic

#1F116D #6D1F11 #116D1F

tetradic

#1F116D #6D1131 #5F6D11 #116D4D

square

#1F116D #6D1131 #5F6D11 #116D4D

split-complementary

#1F116D #6D4D11 #316D11

monochromatic

#08041A #100938 #1F116D #2E19A2 #3D22D7

Accessibility & contrast

On white

15.45

#1F116D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1F116D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F116D

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F116D	#FFFFFF	#000000	##FFFFFF
##1F116D	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002870

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1f116d;
/* rgb */ color: rgb(31, 17, 109);
/* oklch */ color: oklch(27.8% 0.146 278.0);

Tailwind

colors: {
  custom: {
    50: '#685298',
    500: '#1f116d',
    950: '#000000',
  },
}

SCSS

$custom: #1f116d;
$custom-light: #685298;
$custom-dark: #000000;

JSON

{
  "hex": "#1f116d",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 109
  },
  "hsl": {
    "h": 249.13,
    "s": 73.016,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27788,
    "c": 0.146,
    "h": 278
  },
  "luminance": 0.01796
}

Semantic roles & 50–950 ramp

primary

#1F116D

secondary

#94A535

accent

#F038D4

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F116D

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

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