#1F1D86#1F1D86

#1F1D86 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.166 H 272.8°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F1D86
RGB	rgb(31, 29, 134)
HSL	hsl(241, 64%, 32%)
HSV	hsv(241, 78%, 53%)
CMYK	cmyk(76.9%, 78.4%, 0%, 47.5%)
CIE-LAB	lab(19.60, 37.64, -57.43)
CIE-LCH	lch(19.60, 68.67, 303.24°)
OKLab	oklab(32.31% 0.0082 -0.1662)
OKLCH	oklch(32.31% 0.166 272.8)
XYZ	xyz(5.3061, 2.8907, 22.8280)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1D86 #84861D

analogous

#1D5086 #1F1D86 #541D86

triadic

#1F1D86 #861F1D #1D861F

tetradic

#1F1D86 #861D50 #84861D #1D8654

square

#1F1D86 #861D50 #84861D #1D8654

split-complementary

#1F1D86 #86541D #50861D

monochromatic

#080721 #131254 #1F1D86 #2B28B8 #4946D7

Accessibility & contrast

On white

13.31

#1F1D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1F1D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1D86

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1D86	#FFFFFF	#000000	##FFFFFF
##1F1D86	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	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: #1f1d86;
/* rgb */ color: rgb(31, 29, 134);
/* oklch */ color: oklch(32.3% 0.166 272.8);

Tailwind

colors: {
  custom: {
    50: '#6d5baa',
    500: '#1f1d86',
    950: '#000000',
  },
}

SCSS

$custom: #1f1d86;
$custom-light: #6d5baa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1d86",
  "rgb": {
    "r": 31,
    "g": 29,
    "b": 134
  },
  "hsl": {
    "h": 241.143,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32308,
    "c": 0.16641,
    "h": 272.8
  },
  "luminance": 0.02891
}

Semantic roles & 50–950 ramp

primary

#1F1D86

secondary

#B7B946

accent

#E740E4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1D86

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

Preview Lab → · Contrast checker → · Palette generator →