#1F1D7D#1F1D7D

#1F1D7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.155 H 273.7°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F1D7D
RGB	rgb(31, 29, 125)
HSL	hsl(241, 62%, 30%)
HSV	hsv(241, 77%, 49%)
CMYK	cmyk(75.2%, 76.8%, 0%, 51%)
CIE-LAB	lab(18.58, 34.51, -53.42)
CIE-LCH	lch(18.58, 63.60, 302.87°)
OKLab	oklab(31.29% 0.01 -0.1545)
OKLCH	oklch(31.29% 0.155 273.7)
XYZ	xyz(4.7049, 2.6502, 19.6617)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1D7D #7B7D1D

analogous

#1D4B7D #1F1D7D #4F1D7D

triadic

#1F1D7D #7D1F1D #1D7D1F

tetradic

#1F1D7D #7D1D4B #7B7D1D #1D7D4F

square

#1F1D7D #7D1D4B #7B7D1D #1D7D4F

split-complementary

#1F1D7D #7D4F1D #4B7D1D

monochromatic

#06061A #13114B #1F1D7D #2B29AF #4441D3

Accessibility & contrast

On white

13.72

#1F1D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1F1D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1D7D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1D7D	#FFFFFF	#000000	##FFFFFF
##1F1D7D	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1d7d;
/* rgb */ color: rgb(31, 29, 125);
/* oklch */ color: oklch(31.3% 0.155 273.7);

Tailwind

colors: {
  custom: {
    50: '#6b5aa4',
    500: '#1f1d7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f1d7d;
$custom-light: #6b5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1d7d",
  "rgb": {
    "r": 31,
    "g": 29,
    "b": 125
  },
  "hsl": {
    "h": 241.25,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31289,
    "c": 0.15484,
    "h": 273.7
  },
  "luminance": 0.02651
}

Semantic roles & 50–950 ramp

primary

#1F1D7D

secondary

#AEB145

accent

#E542E2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F1D7D

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

Preview Lab → · Contrast checker → · Palette generator →