#21277C#21277C

#21277C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.141 H 272.6°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#21277C
RGB	rgb(33, 39, 124)
HSL	hsl(236, 58%, 31%)
HSV	hsv(236, 73%, 49%)
CMYK	cmyk(73.4%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(20.94, 28.00, -48.90)
CIE-LCH	lch(20.94, 56.35, 299.79°)
OKLab	oklab(32.99% 0.0065 -0.1413)
OKLCH	oklch(32.99% 0.141 272.6)
XYZ	xyz(4.9896, 3.2291, 19.4252)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21277C #7C7621

analogous

#21547C #21277C #48217C

triadic

#21277C #7C2127 #277C21

tetradic

#21277C #7C2154 #7C7621 #217C48

square

#21277C #7C2154 #7C7621 #217C48

split-complementary

#21277C #7C4821 #547C21

monochromatic

#07091B #14184C #21277C #2E36AC #4952CF

Accessibility & contrast

On white

12.76

#21277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#21277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21277C

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21277C	#FFFFFF	#000000	##FFFFFF
##21277C	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#002E7A

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #21277c;
/* rgb */ color: rgb(33, 39, 124);
/* oklch */ color: oklch(33.0% 0.141 272.6);

Tailwind

colors: {
  custom: {
    50: '#6b61a3',
    500: '#21277c',
    950: '#000000',
  },
}

SCSS

$custom: #21277c;
$custom-light: #6b61a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21277c",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 236.044,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32985,
    "c": 0.14146,
    "h": 272.6
  },
  "luminance": 0.0323
}

Semantic roles & 50–950 ramp

primary

#21277C

secondary

#AFA84A

accent

#D747E1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #21277C

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

Preview Lab → · Contrast checker → · Palette generator →