#1F1C86#1F1C86

#1F1C86 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.167 H 272.9°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F1C86
RGB	rgb(31, 28, 134)
HSL	hsl(242, 65%, 32%)
HSV	hsv(242, 79%, 53%)
CMYK	cmyk(76.9%, 79.1%, 0%, 47.5%)
CIE-LAB	lab(19.40, 38.21, -57.76)
CIE-LCH	lch(19.40, 69.26, 303.49°)
OKLab	oklab(32.17% 0.0086 -0.1671)
OKLCH	oklch(32.17% 0.167 272.9)
XYZ	xyz(5.2820, 2.8425, 22.8199)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1C86 #83861C

analogous

#1C4E86 #1F1C86 #541C86

triadic

#1F1C86 #861F1C #1C861F

tetradic

#1F1C86 #861C4E #83861C #1C8654

square

#1F1C86 #861C4E #83861C #1C8654

split-complementary

#1F1C86 #86541C #4E861C

monochromatic

#080721 #131153 #1F1C86 #2B27B9 #4944D8

Accessibility & contrast

On white

13.39

#1F1C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F1C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1C86

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1C86	#FFFFFF	#000000	##FFFFFF
##1F1C86	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003489

Deuteranopia (green-blind)

#002A84

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f1c86;
/* rgb */ color: rgb(31, 28, 134);
/* oklch */ color: oklch(32.2% 0.167 272.9);

Tailwind

colors: {
  custom: {
    50: '#6e5aaa',
    500: '#1f1c86',
    950: '#000000',
  },
}

SCSS

$custom: #1f1c86;
$custom-light: #6e5aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1c86",
  "rgb": {
    "r": 31,
    "g": 28,
    "b": 134
  },
  "hsl": {
    "h": 241.698,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32168,
    "c": 0.16737,
    "h": 272.9
  },
  "luminance": 0.02843
}

Semantic roles & 50–950 ramp

primary

#1F1C86

secondary

#B6B945

accent

#E83FE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1C86

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

Preview Lab → · Contrast checker → · Palette generator →