#21259B#21259B

#21259B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.9% C 0.184 H 271.0°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#21259B
RGB	rgb(33, 37, 155)
HSL	hsl(238, 65%, 37%)
HSV	hsv(238, 79%, 61%)
CMYK	cmyk(78.7%, 76.1%, 0%, 39.2%)
CIE-LAB	lab(23.71, 40.42, -63.67)
CIE-LCH	lch(23.71, 75.41, 302.41°)
OKLab	oklab(35.95% 0.0032 -0.1844)
OKLCH	oklch(35.95% 0.184 271)
XYZ	xyz(7.2032, 4.0122, 31.3988)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21259B #9B9721

analogous

#21629B #21259B #5A219B

triadic

#21259B #9B2125 #259B21

tetradic

#21259B #9B2162 #9B9721 #219B5A

square

#21259B #9B2162 #9B9721 #219B5A

split-complementary

#21259B #9B5A21 #629B21

monochromatic

#0C0D36 #161969 #21259B #2C31CD #5A5FDC

Accessibility & contrast

On white

11.65

#21259B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#21259B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21259B

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21259B	#FFFFFF	#000000	##FFFFFF
##21259B	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003299

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21259b;
/* rgb */ color: rgb(33, 37, 155);
/* oklch */ color: oklch(35.9% 0.184 271.0);

Tailwind

colors: {
  custom: {
    50: '#7361ba',
    500: '#21259b',
    950: '#000000',
  },
}

SCSS

$custom: #21259b;
$custom-light: #7361ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21259b",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 155
  },
  "hsl": {
    "h": 238.033,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35945,
    "c": 0.18438,
    "h": 271
  },
  "luminance": 0.04013
}

Semantic roles & 50–950 ramp

primary

#21259B

secondary

#C0BD58

accent

#E240E8

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #21259B

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

Preview Lab → · Contrast checker → · Palette generator →