#21489E#21489E

#21489E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.7% C 0.147 H 263.2°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#21489E
RGB	rgb(33, 72, 158)
HSL	hsl(221, 65%, 37%)
HSV	hsv(221, 79%, 62%)
CMYK	cmyk(79.1%, 54.4%, 0%, 38%)
CIE-LAB	lab(32.76, 18.70, -50.68)
CIE-LCH	lch(32.76, 54.02, 290.25°)
OKLab	oklab(42.69% -0.0174 -0.1461)
OKLCH	oklch(42.69% 0.147 263.2)
XYZ	xyz(9.1139, 7.4256, 33.2941)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21489E #9E7721

analogous

#21879E #21489E #39219E

triadic

#21489E #9E2148 #489E21

tetradic

#21489E #9E2187 #9E7721 #219E39

square

#21489E #9E2187 #9E7721 #219E39

split-complementary

#21489E #9E3921 #879E21

monochromatic

#0C1A39 #16316B #21489E #2C5FD1 #5C85DD

Accessibility & contrast

On white

8.45

#21489E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#21489E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21489E

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21489E	#FFFFFF	#000000	##FFFFFF
##21489E	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0253A1

Deuteranopia (green-blind)

#00489C

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21489e;
/* rgb */ color: rgb(33, 72, 158);
/* oklch */ color: oklch(42.7% 0.147 263.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21489e",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 158
  },
  "hsl": {
    "h": 221.28,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42688,
    "c": 0.14711,
    "h": 263.2
  },
  "luminance": 0.07427
}

Semantic roles & 50–950 ramp

primary

#21489E

secondary

#C1A159

accent

#B43FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21489E

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

Preview Lab → · Contrast checker → · Palette generator →