#21176A#21176A

#21176A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.136 H 278.8°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#21176A
RGB	rgb(33, 23, 106)
HSL	hsl(247, 64%, 25%)
HSV	hsv(247, 78%, 42%)
CMYK	cmyk(68.9%, 78.3%, 0%, 58.4%)
CIE-LAB	lab(15.36, 31.70, -46.46)
CIE-LCH	lch(15.36, 56.24, 304.31°)
OKLab	oklab(28.42% 0.0207 -0.1341)
OKLCH	oklch(28.42% 0.136 278.8)
XYZ	xyz(3.5343, 1.9764, 13.8281)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21176A #606A17

analogous

#17366A #21176A #4A176A

triadic

#21176A #6A2117 #176A21

tetradic

#21176A #6A1736 #606A17 #176A4A

square

#21176A #6A1736 #606A17 #176A4A

split-complementary

#21176A #6A4A17 #366A17

monochromatic

#080519 #110C38 #21176A #31229C #402DCF

Accessibility & contrast

On white

15.05

#21176A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#21176A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21176A

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21176A	#FFFFFF	#000000	##FFFFFF
##21176A	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6C

Deuteranopia (green-blind)

#002368

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #21176a;
/* rgb */ color: rgb(33, 23, 106);
/* oklch */ color: oklch(28.4% 0.136 278.8);

Tailwind

colors: {
  custom: {
    50: '#685696',
    500: '#21176a',
    950: '#000000',
  },
}

SCSS

$custom: #21176a;
$custom-light: #685696;
$custom-dark: #000000;

JSON

{
  "hex": "#21176a",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 106
  },
  "hsl": {
    "h": 247.229,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28419,
    "c": 0.13572,
    "h": 278.8
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#21176A

secondary

#94A03D

accent

#E740D3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #21176A

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

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