#21439C#21439C

#21439C is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.151 H 264.7°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#21439C
RGB	rgb(33, 67, 156)
HSL	hsl(223, 65%, 37%)
HSV	hsv(223, 79%, 61%)
CMYK	cmyk(78.8%, 57.1%, 0%, 38.8%)
CIE-LAB	lab(31.20, 21.31, -51.99)
CIE-LCH	lch(31.20, 56.19, 292.28°)
OKLab	oklab(41.46% -0.0139 -0.15)
OKLCH	oklch(41.46% 0.151 264.7)
XYZ	xyz(8.6330, 6.7370, 32.2914)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21439C #9C7A21

analogous

#21809C #21439C #3D219C

triadic

#21439C #9C2143 #439C21

tetradic

#21439C #9C2180 #9C7A21 #219C3D

square

#21439C #9C2180 #9C7A21 #219C3D

split-complementary

#21439C #9C3D21 #809C21

monochromatic

#0C1837 #162D69 #21439C #2C59CF #5B7FDC

Accessibility & contrast

On white

8.95

#21439C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#21439C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21439C

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21439C	#FFFFFF	#000000	##FFFFFF
##21439C	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00449A

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #21439c;
/* rgb */ color: rgb(33, 67, 156);
/* oklch */ color: oklch(41.5% 0.151 264.7);

Tailwind

colors: {
  custom: {
    50: '#7076ba',
    500: '#21439c',
    950: '#000000',
  },
}

SCSS

$custom: #21439c;
$custom-light: #7076ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21439c",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 156
  },
  "hsl": {
    "h": 223.415,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41463,
    "c": 0.15068,
    "h": 264.7
  },
  "luminance": 0.06738
}

Semantic roles & 50–950 ramp

primary

#21439C

secondary

#C1A458

accent

#BA40E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21439C

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

Preview Lab → · Contrast checker → · Palette generator →