#1F22A6#1F22A6

#1F22A6 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.7% C 0.201 H 270.0°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F22A6
RGB	rgb(31, 34, 166)
HSL	hsl(239, 69%, 39%)
HSV	hsv(239, 81%, 65%)
CMYK	cmyk(81.3%, 79.5%, 0%, 34.9%)
CIE-LAB	lab(24.28, 45.65, -69.42)
CIE-LCH	lch(24.28, 83.09, 303.33°)
OKLab	oklab(36.69% 0 -0.2011)
OKLCH	oklch(36.69% 0.201 270)
XYZ	xyz(8.0177, 4.1876, 36.4547)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F22A6 #A6A31F

analogous

#1F65A6 #1F22A6 #5F1FA6

triadic

#1F22A6 #A61F22 #22A61F

tetradic

#1F22A6 #A61F65 #A6A31F #1FA65F

square

#1F22A6 #A61F65 #A6A31F #1FA65F

split-complementary

#1F22A6 #A65F1F #65A61F

monochromatic

#0C0D3F #151772 #1F22A6 #2B2FD7 #5E61E1

Accessibility & contrast

On white

11.43

#1F22A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1F22A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F22A6

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F22A6	#FFFFFF	#000000	##FFFFFF
##1F22A6	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0033A4

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f22a6;
/* rgb */ color: rgb(31, 34, 166);
/* oklch */ color: oklch(36.7% 0.201 270.0);

Tailwind

colors: {
  custom: {
    50: '#7560c2',
    500: '#1f22a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f22a6;
$custom-light: #7560c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f22a6",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 166
  },
  "hsl": {
    "h": 238.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36687,
    "c": 0.20106,
    "h": 270
  },
  "luminance": 0.04189
}

Semantic roles & 50–950 ramp

primary

#1F22A6

secondary

#C5C35B

accent

#E73CEB

background

#F7F5FC

surface

#EEEAF8

border

#C9C6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1F22A6

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

Preview Lab → · Contrast checker → · Palette generator →