#1F2284#1F2284

#1F2284 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.159 H 272.2°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#1F2284
RGB	rgb(31, 34, 132)
HSL	hsl(238, 62%, 32%)
HSV	hsv(238, 77%, 52%)
CMYK	cmyk(76.5%, 74.2%, 0%, 48.2%)
CIE-LAB	lab(20.44, 33.95, -54.78)
CIE-LCH	lch(20.44, 64.45, 301.78°)
OKLab	oklab(32.84% 0.0061 -0.1585)
OKLCH	oklch(32.84% 0.159 272.2)
XYZ	xyz(5.3006, 3.1008, 22.1445)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2284 #84811F

analogous

#1F5584 #1F2284 #4F1F84

triadic

#1F2284 #841F22 #22841F

tetradic

#1F2284 #841F55 #84811F #1F844F

square

#1F2284 #841F55 #84811F #1F844F

split-complementary

#1F2284 #844F1F #55841F

monochromatic

#080821 #131552 #1F2284 #2B2FB6 #494DD4

Accessibility & contrast

On white

12.96

#1F2284 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F2284 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2284

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2284	#FFFFFF	#000000	##FFFFFF
##1F2284	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003687

Deuteranopia (green-blind)

#002C82

Tritanopia (blue-blind)

#003E50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2284;
/* rgb */ color: rgb(31, 34, 132);
/* oklch */ color: oklch(32.8% 0.159 272.2);

Tailwind

colors: {
  custom: {
    50: '#6c5ea9',
    500: '#1f2284',
    950: '#000000',
  },
}

SCSS

$custom: #1f2284;
$custom-light: #6c5ea9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2284",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 132
  },
  "hsl": {
    "h": 238.218,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3284,
    "c": 0.15865,
    "h": 272.2
  },
  "luminance": 0.03101
}

Semantic roles & 50–950 ramp

primary

#1F2284

secondary

#B7B348

accent

#E043E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F2284

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

Preview Lab → · Contrast checker → · Palette generator →