#1F2C84#1F2C84

#1F2C84 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.147 H 270.1°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C84
RGB	rgb(31, 44, 132)
HSL	hsl(232, 62%, 32%)
HSV	hsv(232, 77%, 52%)
CMYK	cmyk(76.5%, 66.7%, 0%, 48.2%)
CIE-LAB	lab(22.85, 27.42, -50.82)
CIE-LCH	lch(22.85, 57.74, 298.35°)
OKLab	oklab(34.59% 0.0002 -0.1469)
OKLCH	oklch(34.59% 0.147 270.1)
XYZ	xyz(5.6292, 3.7580, 22.2540)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C84 #84771F

analogous

#1F5F84 #1F2C84 #451F84

triadic

#1F2C84 #841F2C #2C841F

tetradic

#1F2C84 #841F5F #84771F #1F8445

square

#1F2C84 #841F5F #84771F #1F8445

split-complementary

#1F2C84 #84451F #5F841F

monochromatic

#080B21 #131B52 #1F2C84 #2B3DB6 #495BD4

Accessibility & contrast

On white

11.99

#1F2C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1F2C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C84

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C84	#FFFFFF	#000000	##FFFFFF
##1F2C84	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#003282

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2c84;
/* rgb */ color: rgb(31, 44, 132);
/* oklch */ color: oklch(34.6% 0.147 270.1);

Tailwind

colors: {
  custom: {
    50: '#6b65a9',
    500: '#1f2c84',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c84;
$custom-light: #6b65a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c84",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 132
  },
  "hsl": {
    "h": 232.277,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34587,
    "c": 0.14694,
    "h": 270.1
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#1F2C84

secondary

#B7A848

accent

#D043E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1F2C84

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

Preview Lab → · Contrast checker → · Palette generator →