#21259C#21259C

#21259C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.186 H 270.9°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#21259C
RGB	rgb(33, 37, 156)
HSL	hsl(238, 65%, 37%)
HSV	hsv(238, 79%, 61%)
CMYK	cmyk(78.8%, 76.3%, 0%, 38.8%)
CIE-LAB	lab(23.82, 40.76, -64.09)
CIE-LCH	lch(23.82, 75.96, 302.46°)
OKLab	oklab(36.06% 0.003 -0.1856)
OKLCH	oklch(36.06% 0.186 270.9)
XYZ	xyz(7.2875, 4.0460, 31.8429)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21259C #9C9821

analogous

#21629C #21259C #5B219C

triadic

#21259C #9C2125 #259C21

tetradic

#21259C #9C2162 #9C9821 #219C5B

square

#21259C #9C2162 #9C9821 #219C5B

split-complementary

#21259C #9C5B21 #629C21

monochromatic

#0C0D37 #161969 #21259C #2C31CF #5B5FDC

Accessibility & contrast

On white

11.61

#21259C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#21259C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21259C

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21259C	#FFFFFF	#000000	##FFFFFF
##21259C	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #21259c;
/* rgb */ color: rgb(33, 37, 156);
/* oklch */ color: oklch(36.1% 0.186 270.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21259c",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 156
  },
  "hsl": {
    "h": 238.049,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36057,
    "c": 0.18562,
    "h": 270.9
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#21259C

secondary

#C1BD58

accent

#E340E8

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21259C

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

Preview Lab → · Contrast checker → · Palette generator →