#21459D#21459D

#21459D is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.150 H 264.1°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#21459D
RGB	rgb(33, 69, 157)
HSL	hsl(223, 65%, 37%)
HSV	hsv(223, 79%, 62%)
CMYK	cmyk(79%, 56.1%, 0%, 38.4%)
CIE-LAB	lab(31.84, 20.34, -51.57)
CIE-LCH	lch(31.84, 55.43, 291.53°)
OKLab	oklab(41.97% -0.0153 -0.1487)
OKLCH	oklch(41.97% 0.15 264.1)
XYZ	xyz(8.8390, 7.0129, 32.7795)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21459D #9D7921

analogous

#21839D #21459D #3B219D

triadic

#21459D #9D2145 #459D21

tetradic

#21459D #9D2183 #9D7921 #219D3B

square

#21459D #9D2183 #9D7921 #219D3B

split-complementary

#21459D #9D3B21 #839D21

monochromatic

#0C1938 #162F6A #21459D #2C5BD0 #5C81DD

Accessibility & contrast

On white

8.74

#21459D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#21459D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21459D

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21459D	#FFFFFF	#000000	##FFFFFF
##21459D	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00459B

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #21459d;
/* rgb */ color: rgb(33, 69, 157);
/* oklch */ color: oklch(42.0% 0.150 264.1);

Tailwind

colors: {
  custom: {
    50: '#7078bb',
    500: '#21459d',
    950: '#000000',
  },
}

SCSS

$custom: #21459d;
$custom-light: #7078bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21459d",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 157
  },
  "hsl": {
    "h": 222.581,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41967,
    "c": 0.14953,
    "h": 264.1
  },
  "luminance": 0.07014
}

Semantic roles & 50–950 ramp

primary

#21459D

secondary

#C1A359

accent

#B740E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21459D

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

Preview Lab → · Contrast checker → · Palette generator →