#21159E#21159E

#21159E is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.4% C 0.201 H 272.1°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#21159E
RGB	rgb(33, 21, 158)
HSL	hsl(245, 77%, 35%)
HSV	hsv(245, 87%, 62%)
CMYK	cmyk(79.1%, 86.7%, 0%, 38%)
CIE-LAB	lab(21.31, 49.41, -69.48)
CIE-LCH	lch(21.31, 85.26, 305.42°)
OKLab	oklab(34.37% 0.0072 -0.201)
OKLCH	oklch(34.37% 0.201 272.1)
XYZ	xyz(7.0649, 3.3275, 32.6111)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21159E #929E15

analogous

#154E9E #21159E #65159E

triadic

#21159E #9E2115 #159E21

tetradic

#21159E #9E154E #929E15 #159E65

square

#21159E #9E154E #929E15 #159E65

split-complementary

#21159E #9E6515 #4E9E15

monochromatic

#0A0732 #160E68 #21159E #2C1CD4 #5547E7

Accessibility & contrast

On white

12.61

#21159E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#21159E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21159E

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21159E	#FFFFFF	#000000	##FFFFFF
##21159E	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A2

Deuteranopia (green-blind)

#002C9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21159e;
/* rgb */ color: rgb(33, 21, 158);
/* oklch */ color: oklch(34.4% 0.201 272.1);

Tailwind

colors: {
  custom: {
    50: '#7559bc',
    500: '#21159e',
    950: '#000000',
  },
}

SCSS

$custom: #21159e;
$custom-light: #7559bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21159e",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 158
  },
  "hsl": {
    "h": 245.255,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34374,
    "c": 0.20109,
    "h": 272.1
  },
  "luminance": 0.03328
}

Semantic roles & 50–950 ramp

primary

#21159E

secondary

#BCC747

accent

#F335E2

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #21159E

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

Preview Lab → · Contrast checker → · Palette generator →