#21489D#21489D

#21489D is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.146 H 263.1°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#21489D
RGB	rgb(33, 72, 157)
HSL	hsl(221, 65%, 37%)
HSV	hsv(221, 79%, 62%)
CMYK	cmyk(79%, 54.1%, 0%, 38.4%)
CIE-LAB	lab(32.68, 18.30, -50.20)
CIE-LCH	lch(32.68, 53.43, 290.03°)
OKLab	oklab(42.61% -0.0175 -0.1447)
OKLCH	oklch(42.61% 0.146 263.1)
XYZ	xyz(9.0282, 7.3913, 32.8426)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21489D #9D7621

analogous

#21869D #21489D #38219D

triadic

#21489D #9D2148 #489D21

tetradic

#21489D #9D2186 #9D7621 #219D38

square

#21489D #9D2186 #9D7621 #219D38

split-complementary

#21489D #9D3821 #869D21

monochromatic

#0C1A38 #16316A #21489D #2C5FD0 #5C84DD

Accessibility & contrast

On white

8.47

#21489D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#21489D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21489D

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21489D	#FFFFFF	#000000	##FFFFFF
##21489D	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0553A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21489d;
/* rgb */ color: rgb(33, 72, 157);
/* oklch */ color: oklch(42.6% 0.146 263.1);

Tailwind

colors: {
  custom: {
    50: '#707abb',
    500: '#21489d',
    950: '#000000',
  },
}

SCSS

$custom: #21489d;
$custom-light: #707abb;
$custom-dark: #000000;

JSON

{
  "hex": "#21489d",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 157
  },
  "hsl": {
    "h": 221.129,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42607,
    "c": 0.14572,
    "h": 263.1
  },
  "luminance": 0.07392
}

Semantic roles & 50–950 ramp

primary

#21489D

secondary

#C1A059

accent

#B340E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21489D

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

Preview Lab → · Contrast checker → · Palette generator →