#1F2D83#1F2D83

#1F2D83 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.7% C 0.144 H 269.8°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D83
RGB	rgb(31, 45, 131)
HSL	hsl(232, 62%, 32%)
HSV	hsv(232, 76%, 51%)
CMYK	cmyk(76.3%, 65.6%, 0%, 48.6%)
CIE-LAB	lab(23.02, 26.36, -49.92)
CIE-LCH	lch(23.02, 56.45, 297.83°)
OKLab	oklab(34.68% -0.0005 -0.1443)
OKLCH	oklch(34.68% 0.144 269.8)
XYZ	xyz(5.5988, 3.8062, 21.9079)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D83 #83751F

analogous

#1F5F83 #1F2D83 #431F83

triadic

#1F2D83 #831F2D #2D831F

tetradic

#1F2D83 #831F5F #83751F #1F8343

square

#1F2D83 #831F5F #83751F #1F8343

split-complementary

#1F2D83 #83431F #5F831F

monochromatic

#080B20 #131C52 #1F2D83 #2B3EB4 #495CD4

Accessibility & contrast

On white

11.92

#1F2D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D83

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D83	#FFFFFF	#000000	##FFFFFF
##1F2D83	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2d83;
/* rgb */ color: rgb(31, 45, 131);
/* oklch */ color: oklch(34.7% 0.144 269.8);

Tailwind

colors: {
  custom: {
    50: '#6b65a8',
    500: '#1f2d83',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d83;
$custom-light: #6b65a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d83",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 131
  },
  "hsl": {
    "h": 231.6,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3468,
    "c": 0.1443,
    "h": 269.8
  },
  "luminance": 0.03807
}

Semantic roles & 50–950 ramp

primary

#1F2D83

secondary

#B6A648

accent

#CE43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1F2D83

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

Preview Lab → · Contrast checker → · Palette generator →