#21356A#21356A

#21356A is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.096 H 266.0°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#21356A
RGB	rgb(33, 53, 106)
HSL	hsl(224, 53%, 27%)
HSV	hsv(224, 69%, 42%)
CMYK	cmyk(68.9%, 50%, 0%, 58.4%)
CIE-LAB	lab(23.37, 11.19, -33.42)
CIE-LCH	lch(23.37, 35.25, 288.51°)
OKLab	oklab(34.34% -0.0067 -0.0957)
OKLCH	oklch(34.34% 0.096 266)
XYZ	xyz(4.5009, 3.9097, 14.1503)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21356A #6A5621

analogous

#21596A #21356A #32216A

triadic

#21356A #6A2135 #356A21

tetradic

#21356A #6A2159 #6A5621 #216A32

square

#21356A #6A2159 #6A5621 #216A32

split-complementary

#21356A #6A3221 #596A21

monochromatic

#070C17 #121E3B #21356A #304C99 #4165C4

Accessibility & contrast

On white

11.78

#21356A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#21356A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21356A

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21356A	#FFFFFF	#000000	##FFFFFF
##21356A	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3B6C

Deuteranopia (green-blind)

#0B3569

Tritanopia (blue-blind)

#00414A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21356a;
/* rgb */ color: rgb(33, 53, 106);
/* oklch */ color: oklch(34.3% 0.096 266.0);

Tailwind

colors: {
  custom: {
    50: '#656b95',
    500: '#21356a',
    950: '#000000',
  },
}

SCSS

$custom: #21356a;
$custom-light: #656b95;
$custom-dark: #000000;

JSON

{
  "hex": "#21356a",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 106
  },
  "hsl": {
    "h": 223.562,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34335,
    "c": 0.0959,
    "h": 266
  },
  "luminance": 0.0391
}

Semantic roles & 50–950 ramp

primary

#21356A

secondary

#9E8749

accent

#B44CDC

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #21356A

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

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