#1F2C82#1F2C82

#1F2C82 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.4% C 0.144 H 270.1°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C82
RGB	rgb(31, 44, 130)
HSL	hsl(232, 61%, 32%)
HSV	hsv(232, 76%, 51%)
CMYK	cmyk(76.2%, 66.2%, 0%, 49%)
CIE-LAB	lab(22.67, 26.65, -49.87)
CIE-LCH	lch(22.67, 56.54, 298.12°)
OKLab	oklab(34.39% 0.0003 -0.1442)
OKLCH	oklch(34.39% 0.144 270.1)
XYZ	xyz(5.4936, 3.7038, 21.5401)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C82 #82751F

analogous

#1F5E82 #1F2C82 #441F82

triadic

#1F2C82 #821F2C #2C821F

tetradic

#1F2C82 #821F5E #82751F #1F8244

square

#1F2C82 #821F5E #82751F #1F8244

split-complementary

#1F2C82 #82441F #5E821F

monochromatic

#070B1F #131B51 #1F2C82 #2B3DB3 #485AD3

Accessibility & contrast

On white

12.06

#1F2C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1F2C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C82

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C82	#FFFFFF	#000000	##FFFFFF
##1F2C82	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B85

Deuteranopia (green-blind)

#003280

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2c82;
/* rgb */ color: rgb(31, 44, 130);
/* oklch */ color: oklch(34.4% 0.144 270.1);

Tailwind

colors: {
  custom: {
    50: '#6b65a7',
    500: '#1f2c82',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c82;
$custom-light: #6b65a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c82",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 130
  },
  "hsl": {
    "h": 232.121,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34392,
    "c": 0.14416,
    "h": 270.1
  },
  "luminance": 0.03704
}

Semantic roles & 50–950 ramp

primary

#1F2C82

secondary

#B5A748

accent

#CF43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1F2C82

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

Preview Lab → · Contrast checker → · Palette generator →