#21136B#21136B

#21136B is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.141 H 279.3°. Best body text is #FFFFFF at 15.33:1 contrast (WCAG AA passes).

Color values

HEX	#21136B
RGB	rgb(33, 19, 107)
HSL	hsl(250, 70%, 25%)
HSV	hsv(250, 82%, 42%)
CMYK	cmyk(69.2%, 82.2%, 0%, 58%)
CIE-LAB	lab(14.68, 34.31, -48.24)
CIE-LCH	lch(14.68, 59.19, 305.42°)
OKLab	oklab(27.97% 0.0229 -0.1393)
OKLCH	oklch(27.97% 0.141 279.3)
XYZ	xyz(3.5131, 1.8503, 14.0791)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21136B #5D6B13

analogous

#13316B #21136B #4D136B

triadic

#21136B #6B2113 #136B21

tetradic

#21136B #6B1331 #5D6B13 #136B4D

square

#21136B #6B1331 #5D6B13 #136B4D

split-complementary

#21136B #6B4D13 #316B13

monochromatic

#08051A #110A37 #21136B #311C9F #4125D3

Accessibility & contrast

On white

15.33

#21136B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#21136B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21136B

15.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21136B	#FFFFFF	#000000	##FFFFFF
##21136B	1.00	15.33	1.37	15.33
#FFFFFF	15.33	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286D

Deuteranopia (green-blind)

#002269

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #21136b;
/* rgb */ color: rgb(33, 19, 107);
/* oklch */ color: oklch(28.0% 0.141 279.3);

Tailwind

colors: {
  custom: {
    50: '#685396',
    500: '#21136b',
    950: '#000000',
  },
}

SCSS

$custom: #21136b;
$custom-light: #685396;
$custom-dark: #000000;

JSON

{
  "hex": "#21136b",
  "rgb": {
    "r": 33,
    "g": 19,
    "b": 107
  },
  "hsl": {
    "h": 249.545,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27974,
    "c": 0.14115,
    "h": 279.3
  },
  "luminance": 0.01851
}

Semantic roles & 50–950 ramp

primary

#21136B

secondary

#91A238

accent

#ED3BD0

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #21136B

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

Preview Lab → · Contrast checker → · Palette generator →