#21286E#21286E

#21286E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.8% C 0.120 H 273.1°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#21286E
RGB	rgb(33, 40, 110)
HSL	hsl(235, 54%, 28%)
HSV	hsv(235, 70%, 43%)
CMYK	cmyk(70%, 63.6%, 0%, 56.9%)
CIE-LAB	lab(19.91, 21.98, -41.61)
CIE-LCH	lch(19.91, 47.06, 297.85°)
OKLab	oklab(31.83% 0.0065 -0.1199)
OKLCH	oklch(31.83% 0.12 273.1)
XYZ	xyz(4.1995, 2.9663, 15.1001)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21286E #6E6721

analogous

#214E6E #21286E #40216E

triadic

#21286E #6E2128 #286E21

tetradic

#21286E #6E214E #6E6721 #216E40

square

#21286E #6E214E #6E6721 #216E40

split-complementary

#21286E #6E4021 #4E6E21

monochromatic

#070918 #13173F #21286E #2F399D #434FC7

Accessibility & contrast

On white

13.18

#21286E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#21286E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21286E

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21286E	#FFFFFF	#000000	##FFFFFF
##21286E	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003470

Deuteranopia (green-blind)

#002D6D

Tritanopia (blue-blind)

#003947

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #21286e;
/* rgb */ color: rgb(33, 40, 110);
/* oklch */ color: oklch(31.8% 0.120 273.1);

Tailwind

colors: {
  custom: {
    50: '#676198',
    500: '#21286e',
    950: '#000000',
  },
}

SCSS

$custom: #21286e;
$custom-light: #676198;
$custom-dark: #000000;

JSON

{
  "hex": "#21286e",
  "rgb": {
    "r": 33,
    "g": 40,
    "b": 110
  },
  "hsl": {
    "h": 234.545,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3183,
    "c": 0.1201,
    "h": 273.1
  },
  "luminance": 0.02967
}

Semantic roles & 50–950 ramp

primary

#21286E

secondary

#A29A49

accent

#D04BDD

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #21286E

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

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