#21197B#21197B

#21197B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.156 H 275.6°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#21197B
RGB	rgb(33, 25, 123)
HSL	hsl(245, 66%, 29%)
HSV	hsv(245, 80%, 48%)
CMYK	cmyk(73.2%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(17.68, 36.35, -53.63)
CIE-LCH	lch(17.68, 64.78, 304.13°)
OKLab	oklab(30.62% 0.0152 -0.155)
OKLCH	oklch(30.62% 0.156 275.6)
XYZ	xyz(4.5488, 2.4482, 18.9679)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21197B #737B19

analogous

#19427B #21197B #52197B

triadic

#21197B #7B2119 #197B21

tetradic

#21197B #7B1942 #737B19 #197B52

square

#21197B #7B1942 #737B19 #197B52

split-complementary

#21197B #7B5219 #427B19

monochromatic

#070519 #130F48 #21197B #2F23AE #4538D7

Accessibility & contrast

On white

14.10

#21197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#21197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21197B

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21197B	#FFFFFF	#000000	##FFFFFF
##21197B	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307E

Deuteranopia (green-blind)

#002779

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #21197b;
/* rgb */ color: rgb(33, 25, 123);
/* oklch */ color: oklch(30.6% 0.156 275.6);

Tailwind

colors: {
  custom: {
    50: '#6c58a2',
    500: '#21197b',
    950: '#000000',
  },
}

SCSS

$custom: #21197b;
$custom-light: #6c58a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21197b",
  "rgb": {
    "r": 33,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 244.898,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30623,
    "c": 0.15579,
    "h": 275.6
  },
  "luminance": 0.02449
}

Semantic roles & 50–950 ramp

primary

#21197B

secondary

#A6AF40

accent

#E93FDB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21197B

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

Preview Lab → · Contrast checker → · Palette generator →