#1F1882#1F1882

#1F1882 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.166 H 273.9°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F1882
RGB	rgb(31, 24, 130)
HSL	hsl(244, 69%, 30%)
HSV	hsv(244, 82%, 51%)
CMYK	cmyk(76.2%, 81.5%, 0%, 49%)
CIE-LAB	lab(18.17, 39.06, -57.28)
CIE-LCH	lch(18.17, 69.33, 304.29°)
OKLab	oklab(31.17% 0.0112 -0.1657)
OKLCH	oklch(31.17% 0.166 273.9)
XYZ	xyz(4.9196, 2.5558, 21.3488)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1882 #7B8218

analogous

#184682 #1F1882 #541882

triadic

#1F1882 #821F18 #18821F

tetradic

#1F1882 #821846 #7B8218 #188254

square

#1F1882 #821846 #7B8218 #188254

split-complementary

#1F1882 #825418 #468218

monochromatic

#06051B #130E4E #1F1882 #2B22B6 #443ADB

Accessibility & contrast

On white

13.90

#1F1882 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1F1882 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1882

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1882	#FFFFFF	#000000	##FFFFFF
##1F1882	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003185

Deuteranopia (green-blind)

#002780

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f1882;
/* rgb */ color: rgb(31, 24, 130);
/* oklch */ color: oklch(31.2% 0.166 273.9);

Tailwind

colors: {
  custom: {
    50: '#6d58a8',
    500: '#1f1882',
    950: '#000000',
  },
}

SCSS

$custom: #1f1882;
$custom-light: #6d58a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1882",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 130
  },
  "hsl": {
    "h": 243.962,
    "s": 68.831,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31166,
    "c": 0.16607,
    "h": 273.9
  },
  "luminance": 0.02556
}

Semantic roles & 50–950 ramp

primary

#1F1882

secondary

#AEB640

accent

#EC3CE0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1882

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

Preview Lab → · Contrast checker → · Palette generator →