#1F116A#1F116A

#1F116A is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.4% C 0.142 H 278.6°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F116A
RGB	rgb(31, 17, 106)
HSL	hsl(249, 72%, 24%)
HSV	hsv(249, 84%, 42%)
CMYK	cmyk(70.8%, 84%, 0%, 58.4%)
CIE-LAB	lab(14.02, 34.82, -48.69)
CIE-LCH	lch(14.02, 59.86, 305.57°)
OKLab	oklab(27.43% 0.0212 -0.1406)
OKLCH	oklch(27.43% 0.142 278.6)
XYZ	xyz(3.3662, 1.7325, 13.7899)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F116A #5C6A11

analogous

#11306A #1F116A #4C116A

triadic

#1F116A #6A1F11 #116A1F

tetradic

#1F116A #6A1130 #5C6A11 #116A4C

square

#1F116A #6A1130 #5C6A11 #116A4C

split-complementary

#1F116A #6A4C11 #306A11

monochromatic

#08041A #100935 #1F116A #2E199F #3E22D3

Accessibility & contrast

On white

15.59

#1F116A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1F116A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F116A

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F116A	#FFFFFF	#000000	##FFFFFF
##1F116A	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00276C

Deuteranopia (green-blind)

#002068

Tritanopia (blue-blind)

#002C3E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1f116a;
/* rgb */ color: rgb(31, 17, 106);
/* oklch */ color: oklch(27.4% 0.142 278.6);

Tailwind

colors: {
  custom: {
    50: '#675296',
    500: '#1f116a',
    950: '#000000',
  },
}

SCSS

$custom: #1f116a;
$custom-light: #675296;
$custom-dark: #000000;

JSON

{
  "hex": "#1f116a",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 106
  },
  "hsl": {
    "h": 249.438,
    "s": 72.358,
    "l": 24.118
  },
  "oklch": {
    "l": 0.2743,
    "c": 0.14221,
    "h": 278.6
  },
  "luminance": 0.01733
}

Semantic roles & 50–950 ramp

primary

#1F116A

secondary

#91A235

accent

#EF39D2

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1F116A

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

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