#21439E#21439E

#21439E is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.153 H 264.9°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#21439E
RGB	rgb(33, 67, 158)
HSL	hsl(224, 65%, 37%)
HSV	hsv(224, 79%, 62%)
CMYK	cmyk(79.1%, 57.6%, 0%, 38%)
CIE-LAB	lab(31.36, 22.09, -52.95)
CIE-LCH	lch(31.36, 57.37, 292.65°)
OKLab	oklab(41.63% -0.0138 -0.1528)
OKLCH	oklch(41.63% 0.153 264.9)
XYZ	xyz(8.8037, 6.8053, 33.1907)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21439E #9E7C21

analogous

#21829E #21439E #3E219E

triadic

#21439E #9E2143 #439E21

tetradic

#21439E #9E2182 #9E7C21 #219E3E

square

#21439E #9E2182 #9E7C21 #219E3E

split-complementary

#21439E #9E3E21 #829E21

monochromatic

#0C1839 #162E6B #21439E #2C58D1 #5C7FDD

Accessibility & contrast

On white

8.89

#21439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#21439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21439E

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21439E	#FFFFFF	#000000	##FFFFFF
##21439E	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#00449C

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #21439e;
/* rgb */ color: rgb(33, 67, 158);
/* oklch */ color: oklch(41.6% 0.153 264.9);

Tailwind

colors: {
  custom: {
    50: '#7176bb',
    500: '#21439e',
    950: '#000000',
  },
}

SCSS

$custom: #21439e;
$custom-light: #7176bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21439e",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 223.68,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.41633,
    "c": 0.15346,
    "h": 264.9
  },
  "luminance": 0.06806
}

Semantic roles & 50–950 ramp

primary

#21439E

secondary

#C1A559

accent

#BA3FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21439E

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

Preview Lab → · Contrast checker → · Palette generator →