#21448D#21448D

#21448D is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.128 H 262.8°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#21448D
RGB	rgb(33, 68, 141)
HSL	hsl(221, 62%, 34%)
HSV	hsv(221, 77%, 55%)
CMYK	cmyk(76.6%, 51.8%, 0%, 44.7%)
CIE-LAB	lab(30.35, 14.67, -44.21)
CIE-LCH	lch(30.35, 46.58, 288.36°)
OKLab	oklab(40.46% -0.0161 -0.1271)
OKLCH	oklch(40.46% 0.128 262.8)
XYZ	xyz(7.5003, 6.3798, 26.0303)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21448D #8D6A21

analogous

#217A8D #21448D #34218D

triadic

#21448D #8D2144 #448D21

tetradic

#21448D #8D217A #8D6A21 #218D34

square

#21448D #8D217A #8D6A21 #218D34

split-complementary

#21448D #8D3421 #7A8D21

monochromatic

#0A142A #152C5B #21448D #2D5CBF #527DD6

Accessibility & contrast

On white

9.23

#21448D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#21448D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21448D

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21448D	#FFFFFF	#000000	##FFFFFF
##21448D	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D90

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21448d;
/* rgb */ color: rgb(33, 68, 141);
/* oklch */ color: oklch(40.5% 0.128 262.8);

Tailwind

colors: {
  custom: {
    50: '#6d77af',
    500: '#21448d',
    950: '#000000',
  },
}

SCSS

$custom: #21448d;
$custom-light: #6d77af;
$custom-dark: #000000;

JSON

{
  "hex": "#21448d",
  "rgb": {
    "r": 33,
    "g": 68,
    "b": 141
  },
  "hsl": {
    "h": 220.556,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40461,
    "c": 0.12815,
    "h": 262.8
  },
  "luminance": 0.06381
}

Semantic roles & 50–950 ramp

primary

#21448D

secondary

#BA9850

accent

#B043E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21448D

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

Preview Lab → · Contrast checker → · Palette generator →