#21155E#21155E

#21155E is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.8% C 0.122 H 281.9°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#21155E
RGB	rgb(33, 21, 94)
HSL	hsl(250, 63%, 23%)
HSV	hsv(250, 78%, 37%)
CMYK	cmyk(64.9%, 77.7%, 0%, 63.1%)
CIE-LAB	lab(13.64, 28.77, -41.36)
CIE-LCH	lch(13.64, 50.38, 304.82°)
OKLab	oklab(26.8% 0.0251 -0.1192)
OKLCH	oklch(26.8% 0.122 281.9)
XYZ	xyz(2.9151, 1.6676, 10.7558)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21155E #525E15

analogous

#152E5E #21155E #45155E

triadic

#21155E #5E2115 #155E21

tetradic

#21155E #5E152E #525E15 #155E45

square

#21155E #5E152E #525E15 #155E45

split-complementary

#21155E #5E4515 #2E5E15

monochromatic

#090619 #0F0A2C #21155E #332090 #442BC2

Accessibility & contrast

On white

15.75

#21155E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#21155E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21155E

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21155E	#FFFFFF	#000000	##FFFFFF
##21155E	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#00205D

Tritanopia (blue-blind)

#002938

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #21155e;
/* rgb */ color: rgb(33, 21, 94);
/* oklch */ color: oklch(26.8% 0.122 281.9);

Tailwind

colors: {
  custom: {
    50: '#65548c',
    500: '#21155e',
    950: '#000000',
  },
}

SCSS

$custom: #21155e;
$custom-light: #65548c;
$custom-dark: #000000;

JSON

{
  "hex": "#21155e",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 94
  },
  "hsl": {
    "h": 249.863,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26804,
    "c": 0.12184,
    "h": 281.9
  },
  "luminance": 0.01668
}

Semantic roles & 50–950 ramp

primary

#21155E

secondary

#869539

accent

#E741CB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #21155E

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

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