#21219D#21219D

#21219D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.191 H 271.3°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#21219D
RGB	rgb(33, 33, 157)
HSL	hsl(240, 65%, 37%)
HSV	hsv(240, 79%, 62%)
CMYK	cmyk(79%, 79%, 0%, 38.4%)
CIE-LAB	lab(23.15, 43.34, -65.82)
CIE-LCH	lch(23.15, 78.81, 303.37°)
OKLab	oklab(35.62% 0.0043 -0.1906)
OKLCH	oklch(35.62% 0.191 271.3)
XYZ	xyz(7.2548, 3.8446, 32.2515)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21219D #9D9D21

analogous

#215F9D #21219D #5F219D

triadic

#21219D #9D2121 #219D21

tetradic

#21219D #9D215F #9D9D21 #219D5F

square

#21219D #9D215F #9D9D21 #219D5F

split-complementary

#21219D #9D5F21 #5F9D21

monochromatic

#0C0C38 #16166A #21219D #2C2CD0 #5C5CDD

Accessibility & contrast

On white

11.87

#21219D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#21219D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21219D

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21219D	#FFFFFF	#000000	##FFFFFF
##21219D	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA0

Deuteranopia (green-blind)

#00319B

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21219d;
/* rgb */ color: rgb(33, 33, 157);
/* oklch */ color: oklch(35.6% 0.191 271.3);

Tailwind

colors: {
  custom: {
    50: '#745fbb',
    500: '#21219d',
    950: '#000000',
  },
}

SCSS

$custom: #21219d;
$custom-light: #745fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21219d",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 157
  },
  "hsl": {
    "h": 240,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35616,
    "c": 0.19061,
    "h": 271.3
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#21219D

secondary

#C1C159

accent

#E840E8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21219D

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

Preview Lab → · Contrast checker → · Palette generator →