#201B8B#201B8B

#201B8B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.174 H 273.0°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#201B8B
RGB	rgb(32, 27, 139)
HSL	hsl(243, 67%, 33%)
HSV	hsv(243, 81%, 55%)
CMYK	cmyk(77%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(19.86, 40.52, -60.14)
CIE-LCH	lch(19.86, 72.52, 303.97°)
OKLab	oklab(32.68% 0.0091 -0.174)
OKLCH	oklch(32.68% 0.174 273)
XYZ	xyz(5.6462, 2.9544, 24.6938)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#201B8B #868B1B

analogous

#1B4E8B #201B8B #581B8B

triadic

#201B8B #8B201B #1B8B20

tetradic

#201B8B #8B1B4E #868B1B #1B8B58

square

#201B8B #8B1B4E #868B1B #1B8B58

split-complementary

#201B8B #8B581B #4E8B1B

monochromatic

#080725 #141158 #201B8B #2C25BE #4C45DB

Accessibility & contrast

On white

13.20

#201B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#201B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #201B8B

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##201B8B	#FFFFFF	#000000	##FFFFFF
##201B8B	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358E

Deuteranopia (green-blind)

#002B89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #201b8b;
/* rgb */ color: rgb(32, 27, 139);
/* oklch */ color: oklch(32.7% 0.174 273.0);

Tailwind

colors: {
  custom: {
    50: '#6f5aae',
    500: '#201b8b',
    950: '#000000',
  },
}

SCSS

$custom: #201b8b;
$custom-light: #6f5aae;
$custom-dark: #000000;

JSON

{
  "hex": "#201b8b",
  "rgb": {
    "r": 32,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 242.679,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32678,
    "c": 0.17425,
    "h": 273
  },
  "luminance": 0.02955
}

Semantic roles & 50–950 ramp

primary

#201B8B

secondary

#B7BC45

accent

#EA3DE3

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #201B8B

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

Preview Lab → · Contrast checker → · Palette generator →