#21277F#21277F

#21277F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.146 H 272.4°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#21277F
RGB	rgb(33, 39, 127)
HSL	hsl(236, 59%, 31%)
HSV	hsv(236, 74%, 50%)
CMYK	cmyk(74%, 69.3%, 0%, 50.2%)
CIE-LAB	lab(21.23, 29.12, -50.33)
CIE-LCH	lch(21.23, 58.14, 300.05°)
OKLab	oklab(33.29% 0.0062 -0.1455)
OKLCH	oklch(33.29% 0.146 272.4)
XYZ	xyz(5.1822, 3.3062, 20.4396)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21277F #7F7921

analogous

#21567F #21277F #4A217F

triadic

#21277F #7F2127 #277F21

tetradic

#21277F #7F2156 #7F7921 #217F4A

square

#21277F #7F2156 #7F7921 #217F4A

split-complementary

#21277F #7F4A21 #567F21

monochromatic

#08091E #14184E #21277F #2E36B0 #4A53D0

Accessibility & contrast

On white

12.64

#21277F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#21277F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21277F

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21277F	#FFFFFF	#000000	##FFFFFF
##21277F	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21277f;
/* rgb */ color: rgb(33, 39, 127);
/* oklch */ color: oklch(33.3% 0.146 272.4);

Tailwind

colors: {
  custom: {
    50: '#6b61a5',
    500: '#21277f',
    950: '#000000',
  },
}

SCSS

$custom: #21277f;
$custom-light: #6b61a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21277f",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 127
  },
  "hsl": {
    "h": 236.17,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33286,
    "c": 0.1456,
    "h": 272.4
  },
  "luminance": 0.03307
}

Semantic roles & 50–950 ramp

primary

#21277F

secondary

#B2AB4A

accent

#D846E2

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #21277F

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

Preview Lab → · Contrast checker → · Palette generator →