#201B5B#201B5B

#201B5B is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.4% C 0.110 H 279.8°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#201B5B
RGB	rgb(32, 27, 91)
HSL	hsl(245, 54%, 23%)
HSV	hsv(245, 70%, 36%)
CMYK	cmyk(64.8%, 70.3%, 0%, 64.3%)
CIE-LAB	lab(14.66, 23.65, -37.68)
CIE-LCH	lch(14.66, 44.48, 302.11°)
OKLab	oklab(27.42% 0.0187 -0.1085)
OKLCH	oklch(27.42% 0.11 279.8)
XYZ	xyz(2.8753, 1.8461, 10.1003)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#201B5B #565B1B

analogous

#1B365B #201B5B #401B5B

triadic

#201B5B #5B201B #1B5B20

tetradic

#201B5B #5B1B36 #565B1B #1B5B40

square

#201B5B #5B1B36 #565B1B #1B5B40

split-complementary

#201B5B #5B401B #365B1B

monochromatic

#080718 #0F0D2C #201B5B #31298A #4137B9

Accessibility & contrast

On white

15.34

#201B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#201B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #201B5B

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##201B5B	#FFFFFF	#000000	##FFFFFF
##201B5B	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#00225A

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #201b5b;
/* rgb */ color: rgb(32, 27, 91);
/* oklch */ color: oklch(27.4% 0.110 279.8);

Tailwind

colors: {
  custom: {
    50: '#63588a',
    500: '#201b5b',
    950: '#000000',
  },
}

SCSS

$custom: #201b5b;
$custom-light: #63588a;
$custom-dark: #000000;

JSON

{
  "hex": "#201b5b",
  "rgb": {
    "r": 32,
    "g": 27,
    "b": 91
  },
  "hsl": {
    "h": 244.688,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27421,
    "c": 0.11009,
    "h": 279.8
  },
  "luminance": 0.01846
}

Semantic roles & 50–950 ramp

primary

#201B5B

secondary

#8B9141

accent

#DE4AD2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #201B5B

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

Preview Lab → · Contrast checker → · Palette generator →