#21448B#21448B

#21448B is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.125 H 262.5°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#21448B
RGB	rgb(33, 68, 139)
HSL	hsl(220, 62%, 34%)
HSV	hsv(220, 76%, 55%)
CMYK	cmyk(76.3%, 51.1%, 0%, 45.5%)
CIE-LAB	lab(30.21, 13.88, -43.21)
CIE-LCH	lch(30.21, 45.39, 287.80°)
OKLab	oklab(40.31% -0.0164 -0.1242)
OKLCH	oklch(40.31% 0.125 262.5)
XYZ	xyz(7.3529, 6.3208, 25.2536)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21448B #8B6821

analogous

#21798B #21448B #33218B

triadic

#21448B #8B2144 #448B21

tetradic

#21448B #8B2179 #8B6821 #218B33

square

#21448B #8B2179 #8B6821 #218B33

split-complementary

#21448B #8B3321 #798B21

monochromatic

#0A1428 #152C5A #21448B #2D5CBC #517DD6

Accessibility & contrast

On white

9.27

#21448B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#21448B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21448B

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21448B	#FFFFFF	#000000	##FFFFFF
##21448B	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4C8E

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21448b;
/* rgb */ color: rgb(33, 68, 139);
/* oklch */ color: oklch(40.3% 0.125 262.5);

Tailwind

colors: {
  custom: {
    50: '#6c77ad',
    500: '#21448b',
    950: '#000000',
  },
}

SCSS

$custom: #21448b;
$custom-light: #6c77ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21448b",
  "rgb": {
    "r": 33,
    "g": 68,
    "b": 139
  },
  "hsl": {
    "h": 220.189,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40305,
    "c": 0.12527,
    "h": 262.5
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#21448B

secondary

#B9964F

accent

#AF43E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #21448B

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

Preview Lab → · Contrast checker → · Palette generator →