#21259E#21259E

#21259E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.3% C 0.188 H 270.8°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#21259E
RGB	rgb(33, 37, 158)
HSL	hsl(238, 65%, 37%)
HSV	hsv(238, 79%, 62%)
CMYK	cmyk(79.1%, 76.6%, 0%, 38%)
CIE-LAB	lab(24.05, 41.45, -64.95)
CIE-LCH	lch(24.05, 77.05, 302.55°)
OKLab	oklab(36.28% 0.0027 -0.1881)
OKLCH	oklch(36.28% 0.188 270.8)
XYZ	xyz(7.4582, 4.1143, 32.7422)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21259E #9E9A21

analogous

#21649E #21259E #5C219E

triadic

#21259E #9E2125 #259E21

tetradic

#21259E #9E2164 #9E9A21 #219E5C

square

#21259E #9E2164 #9E9A21 #219E5C

split-complementary

#21259E #9E5C21 #649E21

monochromatic

#0C0D39 #16196B #21259E #2C31D1 #5C60DD

Accessibility & contrast

On white

11.52

#21259E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#21259E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21259E

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21259E	#FFFFFF	#000000	##FFFFFF
##21259E	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA1

Deuteranopia (green-blind)

#00339C

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #21259e;
/* rgb */ color: rgb(33, 37, 158);
/* oklch */ color: oklch(36.3% 0.188 270.8);

Tailwind

colors: {
  custom: {
    50: '#7461bc',
    500: '#21259e',
    950: '#000000',
  },
}

SCSS

$custom: #21259e;
$custom-light: #7461bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21259e",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 158
  },
  "hsl": {
    "h": 238.08,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3628,
    "c": 0.1881,
    "h": 270.8
  },
  "luminance": 0.04115
}

Semantic roles & 50–950 ramp

primary

#21259E

secondary

#C1BE59

accent

#E33FE8

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21259E

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

Preview Lab → · Contrast checker → · Palette generator →