#1F2D82#1F2D82

#1F2D82 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.143 H 269.8°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D82
RGB	rgb(31, 45, 130)
HSL	hsl(232, 61%, 32%)
HSV	hsv(232, 76%, 51%)
CMYK	cmyk(76.2%, 65.4%, 0%, 49%)
CIE-LAB	lab(22.93, 25.97, -49.44)
CIE-LCH	lch(22.93, 55.85, 297.71°)
OKLab	oklab(34.58% -0.0004 -0.1429)
OKLCH	oklch(34.58% 0.143 269.8)
XYZ	xyz(5.5313, 3.7792, 21.5527)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D82 #82741F

analogous

#1F5F82 #1F2D82 #431F82

triadic

#1F2D82 #821F2D #2D821F

tetradic

#1F2D82 #821F5F #82741F #1F8243

square

#1F2D82 #821F5F #82741F #1F8243

split-complementary

#1F2D82 #82431F #5F821F

monochromatic

#070B1F #131C51 #1F2D82 #2B3EB3 #485CD3

Accessibility & contrast

On white

11.96

#1F2D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D82

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D82	#FFFFFF	#000000	##FFFFFF
##1F2D82	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B85

Deuteranopia (green-blind)

#003280

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2d82;
/* rgb */ color: rgb(31, 45, 130);
/* oklch */ color: oklch(34.6% 0.143 269.8);

Tailwind

colors: {
  custom: {
    50: '#6b65a7',
    500: '#1f2d82',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d82;
$custom-light: #6b65a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d82",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 130
  },
  "hsl": {
    "h": 231.515,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34583,
    "c": 0.1429,
    "h": 269.8
  },
  "luminance": 0.0378
}

Semantic roles & 50–950 ramp

primary

#1F2D82

secondary

#B5A548

accent

#CE43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1F2D82

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

Preview Lab → · Contrast checker → · Palette generator →