#1C22A9#1C22A9

#1C22A9 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 36.9% C 0.205 H 269.0°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C22A9
RGB	rgb(28, 34, 169)
HSL	hsl(237, 72%, 39%)
HSV	hsv(237, 83%, 66%)
CMYK	cmyk(83.4%, 79.9%, 0%, 33.7%)
CIE-LAB	lab(24.50, 46.47, -70.89)
CIE-LCH	lch(24.50, 84.76, 303.25°)
OKLab	oklab(36.9% -0.0036 -0.2053)
OKLCH	oklch(36.9% 0.205 269)
XYZ	xyz(8.2099, 4.2545, 37.9169)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C22A9 #A9A31C

analogous

#1C68A9 #1C22A9 #5C1CA9

triadic

#1C22A9 #A91C22 #22A91C

tetradic

#1C22A9 #A91C68 #A9A31C #1CA95C

square

#1C22A9 #A91C68 #A9A31C #1CA95C

split-complementary

#1C22A9 #A95C1C #68A91C

monochromatic

#0B0D40 #131774 #1C22A9 #272FDB #5B61E4

Accessibility & contrast

On white

11.34

#1C22A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C22A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C22A9

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C22A9	#FFFFFF	#000000	##FFFFFF
##1C22A9	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)

#0041AD

Deuteranopia (green-blind)

#0033A7

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c22a9;
/* rgb */ color: rgb(28, 34, 169);
/* oklch */ color: oklch(36.9% 0.205 269.0);

Tailwind

colors: {
  custom: {
    50: '#7560c4',
    500: '#1c22a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c22a9;
$custom-light: #7560c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c22a9",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 169
  },
  "hsl": {
    "h": 237.447,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.369,
    "c": 0.20538,
    "h": 269
  },
  "luminance": 0.04256
}

Semantic roles & 50–950 ramp

primary

#1C22A9

secondary

#C8C359

accent

#E739EE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1C22A9

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

Preview Lab → · Contrast checker → · Palette generator →