#21187A#21187A

#21187A is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.155 H 275.9°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#21187A
RGB	rgb(33, 24, 122)
HSL	hsl(246, 67%, 29%)
HSV	hsv(246, 80%, 48%)
CMYK	cmyk(73%, 80.3%, 0%, 52.2%)
CIE-LAB	lab(17.37, 36.57, -53.50)
CIE-LCH	lch(17.37, 64.80, 304.35°)
OKLab	oklab(30.37% 0.016 -0.1547)
OKLCH	oklch(30.37% 0.155 275.9)
XYZ	xyz(4.4655, 2.3813, 18.6329)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21187A #717A18

analogous

#18407A #21187A #52187A

triadic

#21187A #7A2118 #187A21

tetradic

#21187A #7A1840 #717A18 #187A52

square

#21187A #7A1840 #717A18 #187A52

split-complementary

#21187A #7A5218 #407A18

monochromatic

#07051A #130E47 #21187A #2F22AD #4435D7

Accessibility & contrast

On white

14.22

#21187A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#21187A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21187A

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21187A	#FFFFFF	#000000	##FFFFFF
##21187A	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002678

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #21187a;
/* rgb */ color: rgb(33, 24, 122);
/* oklch */ color: oklch(30.4% 0.155 275.9);

Tailwind

colors: {
  custom: {
    50: '#6c57a2',
    500: '#21187a',
    950: '#000000',
  },
}

SCSS

$custom: #21187a;
$custom-light: #6c57a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21187a",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 122
  },
  "hsl": {
    "h": 245.51,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30371,
    "c": 0.15549,
    "h": 275.9
  },
  "luminance": 0.02382
}

Semantic roles & 50–950 ramp

primary

#21187A

secondary

#A5AF3F

accent

#EA3EDA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21187A

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

Preview Lab → · Contrast checker → · Palette generator →