#21359C#21359C

#21359C is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.7% C 0.168 H 268.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#21359C
RGB	rgb(33, 53, 156)
HSL	hsl(230, 65%, 37%)
HSV	hsv(230, 79%, 61%)
CMYK	cmyk(78.8%, 66%, 0%, 38.8%)
CIE-LAB	lab(27.49, 30.75, -58.06)
CIE-LCH	lch(27.49, 65.70, 297.91°)
OKLab	oklab(38.7% -0.0047 -0.168)
OKLCH	oklch(38.7% 0.168 268.4)
XYZ	xyz(7.8990, 5.2689, 32.0467)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21359C #9C8821

analogous

#21739C #21359C #4B219C

triadic

#21359C #9C2135 #359C21

tetradic

#21359C #9C2173 #9C8821 #219C4B

square

#21359C #9C2173 #9C8821 #219C4B

split-complementary

#21359C #9C4B21 #739C21

monochromatic

#0C1337 #162469 #21359C #2C46CF #5B70DC

Accessibility & contrast

On white

10.22

#21359C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#21359C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21359C

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21359C	#FFFFFF	#000000	##FFFFFF
##21359C	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #21359c;
/* rgb */ color: rgb(33, 53, 156);
/* oklch */ color: oklch(38.7% 0.168 268.4);

Tailwind

colors: {
  custom: {
    50: '#716cba',
    500: '#21359c',
    950: '#000000',
  },
}

SCSS

$custom: #21359c;
$custom-light: #716cba;
$custom-dark: #000000;

JSON

{
  "hex": "#21359c",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 156
  },
  "hsl": {
    "h": 230.244,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38702,
    "c": 0.16808,
    "h": 268.4
  },
  "luminance": 0.0527
}

Semantic roles & 50–950 ramp

primary

#21359C

secondary

#C1B058

accent

#CD40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21359C

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

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