#21259D#21259D

#21259D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.2% C 0.187 H 270.9°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#21259D
RGB	rgb(33, 37, 157)
HSL	hsl(238, 65%, 37%)
HSV	hsv(238, 79%, 62%)
CMYK	cmyk(79%, 76.4%, 0%, 38.4%)
CIE-LAB	lab(23.93, 41.11, -64.52)
CIE-LCH	lch(23.93, 76.50, 302.50°)
OKLab	oklab(36.17% 0.0028 -0.1868)
OKLCH	oklch(36.17% 0.187 270.9)
XYZ	xyz(7.3725, 4.0800, 32.2907)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21259D #9D9921

analogous

#21639D #21259D #5B219D

triadic

#21259D #9D2125 #259D21

tetradic

#21259D #9D2163 #9D9921 #219D5B

square

#21259D #9D2163 #9D9921 #219D5B

split-complementary

#21259D #9D5B21 #639D21

monochromatic

#0C0D38 #16196A #21259D #2C31D0 #5C60DD

Accessibility & contrast

On white

11.56

#21259D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#21259D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21259D

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21259D	#FFFFFF	#000000	##FFFFFF
##21259D	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA0

Deuteranopia (green-blind)

#00339B

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #21259d;
/* rgb */ color: rgb(33, 37, 157);
/* oklch */ color: oklch(36.2% 0.187 270.9);

Tailwind

colors: {
  custom: {
    50: '#7361bb',
    500: '#21259d',
    950: '#000000',
  },
}

SCSS

$custom: #21259d;
$custom-light: #7361bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21259d",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 157
  },
  "hsl": {
    "h": 238.065,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36168,
    "c": 0.18686,
    "h": 270.9
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary

#21259D

secondary

#C1BE59

accent

#E340E8

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21259D

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

Preview Lab → · Contrast checker → · Palette generator →