#1F2A82#1F2A82

#1F2A82 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.147 H 270.6°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A82
RGB	rgb(31, 42, 130)
HSL	hsl(233, 61%, 32%)
HSV	hsv(233, 76%, 51%)
CMYK	cmyk(76.2%, 67.7%, 0%, 49%)
CIE-LAB	lab(22.15, 28.01, -50.71)
CIE-LCH	lch(22.15, 57.93, 298.91°)
OKLab	oklab(34.02% 0.0016 -0.1466)
OKLCH	oklch(34.02% 0.147 270.6)
XYZ	xyz(5.4209, 3.5584, 21.5159)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A82 #82771F

analogous

#1F5C82 #1F2A82 #461F82

triadic

#1F2A82 #821F2A #2A821F

tetradic

#1F2A82 #821F5C #82771F #1F8246

square

#1F2A82 #821F5C #82771F #1F8246

split-complementary

#1F2A82 #82461F #5C821F

monochromatic

#070A1F #131A51 #1F2A82 #2B3AB3 #4858D3

Accessibility & contrast

On white

12.27

#1F2A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F2A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A82

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A82	#FFFFFF	#000000	##FFFFFF
##1F2A82	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2a82;
/* rgb */ color: rgb(31, 42, 130);
/* oklch */ color: oklch(34.0% 0.147 270.6);

Tailwind

colors: {
  custom: {
    50: '#6b63a7',
    500: '#1f2a82',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a82;
$custom-light: #6b63a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a82",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 130
  },
  "hsl": {
    "h": 233.333,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34016,
    "c": 0.14664,
    "h": 270.6
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#1F2A82

secondary

#B5A948

accent

#D343E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1F2A82

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

Preview Lab → · Contrast checker → · Palette generator →