#1F1F86#1F1F86

#1F1F86 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.164 H 272.5°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F1F86
RGB	rgb(31, 31, 134)
HSL	hsl(240, 62%, 32%)
HSV	hsv(240, 77%, 53%)
CMYK	cmyk(76.9%, 76.9%, 0%, 47.5%)
CIE-LAB	lab(20.01, 36.48, -56.75)
CIE-LCH	lch(20.01, 67.47, 302.73°)
OKLab	oklab(32.6% 0.0073 -0.1642)
OKLCH	oklch(32.6% 0.164 272.5)
XYZ	xyz(5.3567, 2.9919, 22.8448)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1F86 #86861F

analogous

#1F5386 #1F1F86 #531F86

triadic

#1F1F86 #861F1F #1F861F

tetradic

#1F1F86 #861F53 #86861F #1F8653

square

#1F1F86 #861F53 #86861F #1F8653

split-complementary

#1F1F86 #86531F #53861F

monochromatic

#080823 #141454 #1F1F86 #2A2AB8 #4A4AD5

Accessibility & contrast

On white

13.14

#1F1F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1F1F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1F86

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1F86	#FFFFFF	#000000	##FFFFFF
##1F1F86	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002B84

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f1f86;
/* rgb */ color: rgb(31, 31, 134);
/* oklch */ color: oklch(32.6% 0.164 272.5);

Tailwind

colors: {
  custom: {
    50: '#6d5caa',
    500: '#1f1f86',
    950: '#000000',
  },
}

SCSS

$custom: #1f1f86;
$custom-light: #6d5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1f86",
  "rgb": {
    "r": 31,
    "g": 31,
    "b": 134
  },
  "hsl": {
    "h": 240,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32599,
    "c": 0.16441,
    "h": 272.5
  },
  "luminance": 0.02993
}

Semantic roles & 50–950 ramp

primary

#1F1F86

secondary

#B8B849

accent

#E542E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1F86

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

Preview Lab → · Contrast checker → · Palette generator →