#1F22A8#1F22A8

#1F22A8 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 36.9% C 0.203 H 269.9°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1F22A8
RGB	rgb(31, 34, 168)
HSL	hsl(239, 69%, 39%)
HSV	hsv(239, 82%, 66%)
CMYK	cmyk(81.5%, 79.8%, 0%, 34.1%)
CIE-LAB	lab(24.52, 46.31, -70.24)
CIE-LCH	lch(24.52, 84.14, 303.40°)
OKLab	oklab(36.92% -0.0004 -0.2034)
OKLCH	oklch(36.92% 0.203 269.9)
XYZ	xyz(8.2026, 4.2616, 37.4284)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F22A8 #A8A51F

analogous

#1F67A8 #1F22A8 #611FA8

triadic

#1F22A8 #A81F22 #22A81F

tetradic

#1F22A8 #A81F67 #A8A51F #1FA861

square

#1F22A8 #A81F67 #A8A51F #1FA861

split-complementary

#1F22A8 #A8611F #67A81F

monochromatic

#0C0D41 #151874 #1F22A8 #2C30D8 #6063E2

Accessibility & contrast

On white

11.34

#1F22A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1F22A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F22A8

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F22A8	#FFFFFF	#000000	##FFFFFF
##1F22A8	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0033A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f22a8;
/* rgb */ color: rgb(31, 34, 168);
/* oklch */ color: oklch(36.9% 0.203 269.9);

Tailwind

colors: {
  custom: {
    50: '#7660c3',
    500: '#1f22a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f22a8;
$custom-light: #7660c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f22a8",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 168
  },
  "hsl": {
    "h": 238.686,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.3692,
    "c": 0.20343,
    "h": 269.9
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#1F22A8

secondary

#C6C45D

accent

#E83CEC

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1F22A8

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

Preview Lab → · Contrast checker → · Palette generator →