#21489B#21489B

#21489B is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.143 H 262.9°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#21489B
RGB	rgb(33, 72, 155)
HSL	hsl(221, 65%, 37%)
HSV	hsv(221, 79%, 61%)
CMYK	cmyk(78.7%, 53.5%, 0%, 39.2%)
CIE-LAB	lab(32.53, 17.51, -49.23)
CIE-LCH	lch(32.53, 52.25, 289.58°)
OKLab	oklab(42.45% -0.0177 -0.1418)
OKLCH	oklch(42.45% 0.143 262.9)
XYZ	xyz(8.8588, 7.3236, 31.9507)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21489B #9B7421

analogous

#21859B #21489B #37219B

triadic

#21489B #9B2148 #489B21

tetradic

#21489B #9B2185 #9B7421 #219B37

square

#21489B #9B2185 #9B7421 #219B37

split-complementary

#21489B #9B3721 #859B21

monochromatic

#0C1936 #163169 #21489B #2C5FCD #5A84DC

Accessibility & contrast

On white

8.52

#21489B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#21489B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21489B

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21489B	#FFFFFF	#000000	##FFFFFF
##21489B	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B529E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21489b;
/* rgb */ color: rgb(33, 72, 155);
/* oklch */ color: oklch(42.4% 0.143 262.9);

Tailwind

colors: {
  custom: {
    50: '#707ab9',
    500: '#21489b',
    950: '#000000',
  },
}

SCSS

$custom: #21489b;
$custom-light: #707ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#21489b",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 155
  },
  "hsl": {
    "h": 220.82,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42447,
    "c": 0.14291,
    "h": 262.9
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary

#21489B

secondary

#C09F58

accent

#B240E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #21489B

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

Preview Lab → · Contrast checker → · Palette generator →