#21489C#21489C

#21489C is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.144 H 263.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#21489C
RGB	rgb(33, 72, 156)
HSL	hsl(221, 65%, 37%)
HSV	hsv(221, 79%, 61%)
CMYK	cmyk(78.8%, 53.8%, 0%, 38.8%)
CIE-LAB	lab(32.61, 17.90, -49.71)
CIE-LCH	lch(32.61, 52.84, 289.81°)
OKLab	oklab(42.53% -0.0176 -0.1432)
OKLCH	oklch(42.53% 0.144 263)
XYZ	xyz(8.9432, 7.3573, 32.3948)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21489C #9C7521

analogous

#21859C #21489C #38219C

triadic

#21489C #9C2148 #489C21

tetradic

#21489C #9C2185 #9C7521 #219C38

square

#21489C #9C2185 #9C7521 #219C38

split-complementary

#21489C #9C3821 #859C21

monochromatic

#0C1937 #163169 #21489C #2C5FCF #5B84DC

Accessibility & contrast

On white

8.50

#21489C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#21489C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21489C

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21489C	#FFFFFF	#000000	##FFFFFF
##21489C	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08539F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21489c;
/* rgb */ color: rgb(33, 72, 156);
/* oklch */ color: oklch(42.5% 0.144 263.0);

Tailwind

colors: {
  custom: {
    50: '#707aba',
    500: '#21489c',
    950: '#000000',
  },
}

SCSS

$custom: #21489c;
$custom-light: #707aba;
$custom-dark: #000000;

JSON

{
  "hex": "#21489c",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 156
  },
  "hsl": {
    "h": 220.976,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42527,
    "c": 0.14432,
    "h": 263
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#21489C

secondary

#C1A058

accent

#B340E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21489C

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

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