#21366A#21366A

#21366A is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.095 H 265.3°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#21366A
RGB	rgb(33, 54, 106)
HSL	hsl(223, 53%, 27%)
HSV	hsv(223, 69%, 42%)
CMYK	cmyk(68.9%, 49.1%, 0%, 58.4%)
CIE-LAB	lab(23.68, 10.49, -32.93)
CIE-LCH	lch(23.68, 34.56, 287.66°)
OKLab	oklab(34.57% -0.0078 -0.0942)
OKLCH	oklch(34.57% 0.095 265.3)
XYZ	xyz(4.5470, 4.0018, 14.1657)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21366A #6A5521

analogous

#215A6A #21366A #31216A

triadic

#21366A #6A2136 #366A21

tetradic

#21366A #6A215A #6A5521 #216A31

square

#21366A #6A215A #6A5521 #216A31

split-complementary

#21366A #6A3121 #5A6A21

monochromatic

#070C17 #121E3B #21366A #304E99 #4167C4

Accessibility & contrast

On white

11.66

#21366A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#21366A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21366A

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21366A	#FFFFFF	#000000	##FFFFFF
##21366A	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3C6C

Deuteranopia (green-blind)

#0E3569

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21366a;
/* rgb */ color: rgb(33, 54, 106);
/* oklch */ color: oklch(34.6% 0.095 265.3);

Tailwind

colors: {
  custom: {
    50: '#656c95',
    500: '#21366a',
    950: '#000000',
  },
}

SCSS

$custom: #21366a;
$custom-light: #656c95;
$custom-dark: #000000;

JSON

{
  "hex": "#21366a",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 106
  },
  "hsl": {
    "h": 222.74,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34569,
    "c": 0.09452,
    "h": 265.3
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#21366A

secondary

#9E8549

accent

#B24CDC

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #21366A

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

Preview Lab → · Contrast checker → · Palette generator →