#21249B#21249B

#21249B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.185 H 271.1°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#21249B
RGB	rgb(33, 36, 155)
HSL	hsl(239, 65%, 37%)
HSV	hsv(239, 79%, 61%)
CMYK	cmyk(78.7%, 76.8%, 0%, 39.2%)
CIE-LAB	lab(23.51, 41.00, -64.00)
CIE-LCH	lch(23.51, 76.01, 302.64°)
OKLab	oklab(35.8% 0.0036 -0.1853)
OKLCH	oklch(35.8% 0.185 271.1)
XYZ	xyz(7.1725, 3.9509, 31.3886)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21249B #9B9821

analogous

#21619B #21249B #5B219B

triadic

#21249B #9B2124 #249B21

tetradic

#21249B #9B2161 #9B9821 #219B5B

square

#21249B #9B2161 #9B9821 #219B5B

split-complementary

#21249B #9B5B21 #619B21

monochromatic

#0C0D36 #161869 #21249B #2C30CD #5A5EDC

Accessibility & contrast

On white

11.73

#21249B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#21249B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21249B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21249B	#FFFFFF	#000000	##FFFFFF
##21249B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003299

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21249b;
/* rgb */ color: rgb(33, 36, 155);
/* oklch */ color: oklch(35.8% 0.185 271.1);

Tailwind

colors: {
  custom: {
    50: '#7360ba',
    500: '#21249b',
    950: '#000000',
  },
}

SCSS

$custom: #21249b;
$custom-light: #7360ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21249b",
  "rgb": {
    "r": 33,
    "g": 36,
    "b": 155
  },
  "hsl": {
    "h": 238.525,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35801,
    "c": 0.18535,
    "h": 271.1
  },
  "luminance": 0.03952
}

Semantic roles & 50–950 ramp

primary

#21249B

secondary

#C0BE58

accent

#E440E8

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21249B

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

Preview Lab → · Contrast checker → · Palette generator →