#21439D#21439D

#21439D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.5% C 0.152 H 264.8°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#21439D
RGB	rgb(33, 67, 157)
HSL	hsl(224, 65%, 37%)
HSV	hsv(224, 79%, 62%)
CMYK	cmyk(79%, 57.3%, 0%, 38.4%)
CIE-LAB	lab(31.28, 21.70, -52.47)
CIE-LCH	lch(31.28, 56.78, 292.47°)
OKLab	oklab(41.55% -0.0138 -0.1514)
OKLCH	oklch(41.55% 0.152 264.8)
XYZ	xyz(8.7180, 6.7710, 32.7392)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21439D #9D7B21

analogous

#21819D #21439D #3D219D

triadic

#21439D #9D2143 #439D21

tetradic

#21439D #9D2181 #9D7B21 #219D3D

square

#21439D #9D2181 #9D7B21 #219D3D

split-complementary

#21439D #9D3D21 #819D21

monochromatic

#0C1838 #162D6A #21439D #2C59D0 #5C7FDD

Accessibility & contrast

On white

8.92

#21439D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#21439D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21439D

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21439D	#FFFFFF	#000000	##FFFFFF
##21439D	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A0

Deuteranopia (green-blind)

#00449B

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #21439d;
/* rgb */ color: rgb(33, 67, 157);
/* oklch */ color: oklch(41.5% 0.152 264.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21439d",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 157
  },
  "hsl": {
    "h": 223.548,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41548,
    "c": 0.15207,
    "h": 264.8
  },
  "luminance": 0.06772
}

Semantic roles & 50–950 ramp

primary

#21439D

secondary

#C1A459

accent

#BA40E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21439D

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

Preview Lab → · Contrast checker → · Palette generator →