#23277B#23277B

#23277B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.140 H 273.7°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#23277B
RGB	rgb(35, 39, 123)
HSL	hsl(237, 56%, 31%)
HSV	hsv(237, 72%, 48%)
CMYK	cmyk(71.5%, 68.3%, 0%, 51.8%)
CIE-LAB	lab(20.97, 27.89, -48.21)
CIE-LCH	lch(20.97, 55.69, 300.05°)
OKLab	oklab(33.01% 0.009 -0.1392)
OKLCH	oklch(33.01% 0.14 273.7)
XYZ	xyz(4.9926, 3.2380, 19.0969)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23277B #7B7723

analogous

#23537B #23277B #4B237B

triadic

#23277B #7B2327 #277B23

tetradic

#23277B #7B2353 #7B7723 #237B4B

square

#23277B #7B2353 #7B7723 #237B4B

split-complementary

#23277B #7B4B23 #537B23

monochromatic

#08091C #15184B #23277B #3136AB #4C52CC

Accessibility & contrast

On white

12.75

#23277B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#23277B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23277B

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23277B	#FFFFFF	#000000	##FFFFFF
##23277B	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #23277b;
/* rgb */ color: rgb(35, 39, 123);
/* oklch */ color: oklch(33.0% 0.140 273.7);

Tailwind

colors: {
  custom: {
    50: '#6b61a2',
    500: '#23277b',
    950: '#000000',
  },
}

SCSS

$custom: #23277b;
$custom-light: #6b61a2;
$custom-dark: #000000;

JSON

{
  "hex": "#23277b",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 123
  },
  "hsl": {
    "h": 237.273,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33014,
    "c": 0.13951,
    "h": 273.7
  },
  "luminance": 0.03238
}

Semantic roles & 50–950 ramp

primary

#23277B

secondary

#AEA94C

accent

#D849DF

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23277B

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

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