#21157F#21157F

#21157F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.164 H 275.6°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#21157F
RGB	rgb(33, 21, 127)
HSL	hsl(247, 72%, 29%)
HSV	hsv(247, 83%, 50%)
CMYK	cmyk(74%, 83.5%, 0%, 50.2%)
CIE-LAB	lab(17.42, 39.79, -56.61)
CIE-LCH	lch(17.42, 69.20, 305.10°)
OKLab	oklab(30.58% 0.016 -0.1637)
OKLCH	oklch(30.58% 0.164 275.6)
XYZ	xyz(4.7249, 2.3915, 20.2872)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21157F #737F15

analogous

#153E7F #21157F #56157F

triadic

#21157F #7F2115 #157F21

tetradic

#21157F #7F153E #737F15 #157F56

square

#21157F #7F153E #737F15 #157F56

split-complementary

#21157F #7F5615 #3E7F15

monochromatic

#07041A #130C4A #21157F #2F1EB4 #4531DD

Accessibility & contrast

On white

14.20

#21157F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#21157F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21157F

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21157F	#FFFFFF	#000000	##FFFFFF
##21157F	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #21157f;
/* rgb */ color: rgb(33, 21, 127);
/* oklch */ color: oklch(30.6% 0.164 275.6);

Tailwind

colors: {
  custom: {
    50: '#6d56a5',
    500: '#21157f',
    950: '#000000',
  },
}

SCSS

$custom: #21157f;
$custom-light: #6d56a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21157f",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 127
  },
  "hsl": {
    "h": 246.792,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30578,
    "c": 0.16444,
    "h": 275.6
  },
  "luminance": 0.02392
}

Semantic roles & 50–950 ramp

primary

#21157F

secondary

#A6B43C

accent

#EE39DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21157F

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

Preview Lab → · Contrast checker → · Palette generator →