#21236F#21236F

#21236F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.128 H 274.8°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#21236F
RGB	rgb(33, 35, 111)
HSL	hsl(238, 54%, 28%)
HSV	hsv(238, 70%, 44%)
CMYK	cmyk(70.3%, 68.5%, 0%, 56.5%)
CIE-LAB	lab(18.68, 25.81, -44.26)
CIE-LCH	lch(18.68, 51.24, 300.25°)
OKLab	oklab(30.96% 0.0107 -0.1277)
OKLCH	oklch(30.96% 0.128 274.8)
XYZ	xyz(4.0965, 2.6727, 15.3358)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21236F #6F6D21

analogous

#214A6F #21236F #46216F

triadic

#21236F #6F2123 #236F21

tetradic

#21236F #6F214A #6F6D21 #216F46

square

#21236F #6F214A #6F6D21 #216F46

split-complementary

#21236F #6F4621 #4A6F21

monochromatic

#070718 #131440 #21236F #2F329E #4347C7

Accessibility & contrast

On white

13.68

#21236F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#21236F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21236F

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21236F	#FFFFFF	#000000	##FFFFFF
##21236F	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003171

Deuteranopia (green-blind)

#002A6E

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #21236f;
/* rgb */ color: rgb(33, 35, 111);
/* oklch */ color: oklch(31.0% 0.128 274.8);

Tailwind

colors: {
  custom: {
    50: '#685e99',
    500: '#21236f',
    950: '#000000',
  },
}

SCSS

$custom: #21236f;
$custom-light: #685e99;
$custom-dark: #000000;

JSON

{
  "hex": "#21236f",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 111
  },
  "hsl": {
    "h": 238.462,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30958,
    "c": 0.12819,
    "h": 274.8
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#21236F

secondary

#A3A049

accent

#DA4ADE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #21236F

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

Preview Lab → · Contrast checker → · Palette generator →