#21137F#21137F

#21137F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.3% C 0.166 H 275.8°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#21137F
RGB	rgb(33, 19, 127)
HSL	hsl(248, 74%, 29%)
HSV	hsv(248, 85%, 50%)
CMYK	cmyk(74%, 85%, 0%, 50.2%)
CIE-LAB	lab(17.09, 40.76, -57.16)
CIE-LCH	lch(17.09, 70.21, 305.50°)
OKLab	oklab(30.35% 0.0168 -0.1652)
OKLCH	oklch(30.35% 0.166 275.8)
XYZ	xyz(4.6896, 2.3209, 20.2754)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21137F #717F13

analogous

#133B7F #21137F #57137F

triadic

#21137F #7F2113 #137F21

tetradic

#21137F #7F133B #717F13 #137F57

square

#21137F #7F133B #717F13 #137F57

split-complementary

#21137F #7F5713 #3B7F13

monochromatic

#07041B #130B4A #21137F #2F1BB4 #442DE0

Accessibility & contrast

On white

14.34

#21137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#21137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21137F

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21137F	#FFFFFF	#000000	##FFFFFF
##21137F	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00257D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #21137f;
/* rgb */ color: rgb(33, 19, 127);
/* oklch */ color: oklch(30.3% 0.166 275.8);

Tailwind

colors: {
  custom: {
    50: '#6d55a5',
    500: '#21137f',
    950: '#000000',
  },
}

SCSS

$custom: #21137f;
$custom-light: #6d55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21137f",
  "rgb": {
    "r": 33,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 247.778,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30349,
    "c": 0.16607,
    "h": 275.8
  },
  "luminance": 0.02321
}

Semantic roles & 50–950 ramp

primary

#21137F

secondary

#A5B439

accent

#F137D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21137F

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

Preview Lab → · Contrast checker → · Palette generator →