#1F1E8A#1F1E8A

#1F1E8A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.9% C 0.170 H 272.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E8A
RGB	rgb(31, 30, 138)
HSL	hsl(241, 64%, 33%)
HSV	hsv(241, 78%, 54%)
CMYK	cmyk(77.5%, 78.3%, 0%, 45.9%)
CIE-LAB	lab(20.26, 38.45, -58.85)
CIE-LCH	lch(20.26, 70.30, 303.15°)
OKLab	oklab(32.91% 0.0069 -0.1703)
OKLCH	oklch(32.91% 0.17 272.3)
XYZ	xyz(5.6153, 3.0542, 24.3334)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E8A #898A1E

analogous

#1E538A #1F1E8A #551E8A

triadic

#1F1E8A #8A1F1E #1E8A1F

tetradic

#1F1E8A #8A1E53 #898A1E #1E8A55

square

#1F1E8A #8A1E53 #898A1E #1E8A55

split-complementary

#1F1E8A #8A551E #538A1E

monochromatic

#080825 #141358 #1F1E8A #2A29BC #4C4BD8

Accessibility & contrast

On white

13.04

#1F1E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F1E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E8A

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E8A	#FFFFFF	#000000	##FFFFFF
##1F1E8A	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002B88

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f1e8a;
/* rgb */ color: rgb(31, 30, 138);
/* oklch */ color: oklch(32.9% 0.170 272.3);

Tailwind

colors: {
  custom: {
    50: '#6e5cad',
    500: '#1f1e8a',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e8a;
$custom-light: #6e5cad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e8a",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 138
  },
  "hsl": {
    "h": 240.556,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32908,
    "c": 0.17048,
    "h": 272.3
  },
  "luminance": 0.03055
}

Semantic roles & 50–950 ramp

primary

#1F1E8A

secondary

#B9BA4A

accent

#E741E6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #1F1E8A

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

Preview Lab → · Contrast checker → · Palette generator →