#1F116F#1F116F

#1F116F is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.0% C 0.149 H 277.6°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F116F
RGB	rgb(31, 17, 111)
HSL	hsl(249, 73%, 25%)
HSV	hsv(249, 85%, 44%)
CMYK	cmyk(72.1%, 84.7%, 0%, 56.5%)
CIE-LAB	lab(14.62, 36.45, -50.95)
CIE-LCH	lch(14.62, 62.65, 305.58°)
OKLab	oklab(28.03% 0.0196 -0.1472)
OKLCH	oklch(28.03% 0.149 277.6)
XYZ	xyz(3.6338, 1.8396, 15.1994)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F116F #616F11

analogous

#11326F #1F116F #4E116F

triadic

#1F116F #6F1F11 #116F1F

tetradic

#1F116F #6F1132 #616F11 #116F4E

square

#1F116F #6F1132 #616F11 #116F4E

split-complementary

#1F116F #6F4E11 #326F11

monochromatic

#07041B #10093A #1F116F #2E19A4 #3D21D9

Accessibility & contrast

On white

15.35

#1F116F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1F116F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F116F

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F116F	#FFFFFF	#000000	##FFFFFF
##1F116F	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002972

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f116f;
/* rgb */ color: rgb(31, 17, 111);
/* oklch */ color: oklch(28.0% 0.149 277.6);

Tailwind

colors: {
  custom: {
    50: '#695299',
    500: '#1f116f',
    950: '#000000',
  },
}

SCSS

$custom: #1f116f;
$custom-light: #695299;
$custom-dark: #000000;

JSON

{
  "hex": "#1f116f",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 111
  },
  "hsl": {
    "h": 248.936,
    "s": 73.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28028,
    "c": 0.14851,
    "h": 277.6
  },
  "luminance": 0.0184
}

Semantic roles & 50–950 ramp

primary

#1F116F

secondary

#96A635

accent

#F038D5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F116F

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

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