#1F2382#1F2382

#1F2382 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.155 H 272.2°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F2382
RGB	rgb(31, 35, 130)
HSL	hsl(238, 61%, 32%)
HSV	hsv(238, 76%, 51%)
CMYK	cmyk(76.2%, 73.1%, 0%, 49%)
CIE-LAB	lab(20.46, 32.59, -53.50)
CIE-LCH	lch(20.46, 62.64, 301.35°)
OKLab	oklab(32.79% 0.0059 -0.1548)
OKLCH	oklch(32.79% 0.155 272.2)
XYZ	xyz(5.1940, 3.1045, 21.4403)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2382 #827E1F

analogous

#1F5582 #1F2382 #4D1F82

triadic

#1F2382 #821F23 #23821F

tetradic

#1F2382 #821F55 #827E1F #1F824D

square

#1F2382 #821F55 #827E1F #1F824D

split-complementary

#1F2382 #824D1F #55821F

monochromatic

#07081F #131651 #1F2382 #2B30B3 #484ED3

Accessibility & contrast

On white

12.95

#1F2382 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F2382 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2382

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2382	#FFFFFF	#000000	##FFFFFF
##1F2382	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003685

Deuteranopia (green-blind)

#002D80

Tritanopia (blue-blind)

#003E50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2382;
/* rgb */ color: rgb(31, 35, 130);
/* oklch */ color: oklch(32.8% 0.155 272.2);

Tailwind

colors: {
  custom: {
    50: '#6c5ea7',
    500: '#1f2382',
    950: '#000000',
  },
}

SCSS

$custom: #1f2382;
$custom-light: #6c5ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2382",
  "rgb": {
    "r": 31,
    "g": 35,
    "b": 130
  },
  "hsl": {
    "h": 237.576,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32787,
    "c": 0.1549,
    "h": 272.2
  },
  "luminance": 0.03105
}

Semantic roles & 50–950 ramp

primary

#1F2382

secondary

#B5B048

accent

#DE43E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F2382

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

Preview Lab → · Contrast checker → · Palette generator →