#21247F#21247F

#21247F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.149 H 273.1°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#21247F
RGB	rgb(33, 36, 127)
HSL	hsl(238, 59%, 31%)
HSV	hsv(238, 74%, 50%)
CMYK	cmyk(74%, 71.7%, 0%, 50.2%)
CIE-LAB	lab(20.51, 31.08, -51.52)
CIE-LCH	lch(20.51, 60.17, 301.10°)
OKLab	oklab(32.76% 0.0081 -0.149)
OKLCH	oklch(32.76% 0.149 273.1)
XYZ	xyz(5.0876, 3.1169, 20.4081)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21247F #7F7C21

analogous

#21537F #21247F #4D217F

triadic

#21247F #7F2124 #247F21

tetradic

#21247F #7F2153 #7F7C21 #217F4D

square

#21247F #7F2153 #7F7C21 #217F4D

split-complementary

#21247F #7F4D21 #537F21

monochromatic

#08081E #14164E #21247F #2E32B0 #4A4FD0

Accessibility & contrast

On white

12.94

#21247F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#21247F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21247F

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21247F	#FFFFFF	#000000	##FFFFFF
##21247F	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002D7D

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #21247f;
/* rgb */ color: rgb(33, 36, 127);
/* oklch */ color: oklch(32.8% 0.149 273.1);

Tailwind

colors: {
  custom: {
    50: '#6c5fa5',
    500: '#21247f',
    950: '#000000',
  },
}

SCSS

$custom: #21247f;
$custom-light: #6c5fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#21247f",
  "rgb": {
    "r": 33,
    "g": 36,
    "b": 127
  },
  "hsl": {
    "h": 238.085,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32762,
    "c": 0.14918,
    "h": 273.1
  },
  "luminance": 0.03117
}

Semantic roles & 50–950 ramp

primary

#21247F

secondary

#B2AE4A

accent

#DD46E2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #21247F

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

Preview Lab → · Contrast checker → · Palette generator →