#1F2182#1F2182

#1F2182 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.157 H 272.5°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F2182
RGB	rgb(31, 33, 130)
HSL	hsl(239, 61%, 32%)
HSV	hsv(239, 76%, 51%)
CMYK	cmyk(76.2%, 74.6%, 0%, 49%)
CIE-LAB	lab(20.00, 33.85, -54.24)
CIE-LCH	lch(20.00, 63.94, 301.96°)
OKLab	oklab(32.46% 0.007 -0.157)
OKLCH	oklch(32.46% 0.157 272.5)
XYZ	xyz(5.1368, 2.9902, 21.4212)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2182 #82801F

analogous

#1F5382 #1F2182 #4F1F82

triadic

#1F2182 #821F21 #21821F

tetradic

#1F2182 #821F53 #82801F #1F824F

square

#1F2182 #821F53 #82801F #1F824F

split-complementary

#1F2182 #824F1F #53821F

monochromatic

#07081F #131451 #1F2182 #2B2EB3 #484BD3

Accessibility & contrast

On white

13.14

#1F2182 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1F2182 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2182

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2182	#FFFFFF	#000000	##FFFFFF
##1F2182	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002B80

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f2182;
/* rgb */ color: rgb(31, 33, 130);
/* oklch */ color: oklch(32.5% 0.157 272.5);

Tailwind

colors: {
  custom: {
    50: '#6c5da7',
    500: '#1f2182',
    950: '#000000',
  },
}

SCSS

$custom: #1f2182;
$custom-light: #6c5da7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2182",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 130
  },
  "hsl": {
    "h": 238.788,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32463,
    "c": 0.15712,
    "h": 272.5
  },
  "luminance": 0.02991
}

Semantic roles & 50–950 ramp

primary

#1F2182

secondary

#B5B348

accent

#E143E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F2182

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

Preview Lab → · Contrast checker → · Palette generator →