#21197C#21197C

#21197C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.157 H 275.5°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#21197C
RGB	rgb(33, 25, 124)
HSL	hsl(245, 66%, 29%)
HSV	hsv(245, 80%, 49%)
CMYK	cmyk(73.4%, 79.8%, 0%, 51.4%)
CIE-LAB	lab(17.80, 36.69, -54.07)
CIE-LCH	lch(17.80, 65.34, 304.15°)
OKLab	oklab(30.74% 0.015 -0.1563)
OKLCH	oklch(30.74% 0.157 275.5)
XYZ	xyz(4.6117, 2.4734, 19.2992)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21197C #747C19

analogous

#19437C #21197C #53197C

triadic

#21197C #7C2119 #197C21

tetradic

#21197C #7C1943 #747C19 #197C53

square

#21197C #7C1943 #747C19 #197C53

split-complementary

#21197C #7C5319 #437C19

monochromatic

#070519 #130F49 #21197C #2F23AF #4538D7

Accessibility & contrast

On white

14.05

#21197C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#21197C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21197C

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21197C	#FFFFFF	#000000	##FFFFFF
##21197C	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307F

Deuteranopia (green-blind)

#00277A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21197c;
/* rgb */ color: rgb(33, 25, 124);
/* oklch */ color: oklch(30.7% 0.157 275.5);

Tailwind

colors: {
  custom: {
    50: '#6c58a3',
    500: '#21197c',
    950: '#000000',
  },
}

SCSS

$custom: #21197c;
$custom-light: #6c58a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21197c",
  "rgb": {
    "r": 33,
    "g": 25,
    "b": 124
  },
  "hsl": {
    "h": 244.848,
    "s": 66.443,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30737,
    "c": 0.15707,
    "h": 275.5
  },
  "luminance": 0.02474
}

Semantic roles & 50–950 ramp

primary

#21197C

secondary

#A7B040

accent

#E93EDC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21197C

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

Preview Lab → · Contrast checker → · Palette generator →