#23277C#23277C

#23277C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.1% C 0.141 H 273.6°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#23277C
RGB	rgb(35, 39, 124)
HSL	hsl(237, 56%, 31%)
HSV	hsv(237, 72%, 49%)
CMYK	cmyk(71.8%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(21.07, 28.26, -48.69)
CIE-LCH	lch(21.07, 56.29, 300.13°)
OKLab	oklab(33.11% 0.0089 -0.1406)
OKLCH	oklch(33.11% 0.141 273.6)
XYZ	xyz(5.0555, 3.2631, 19.4283)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23277C #7C7823

analogous

#23537C #23277C #4B237C

triadic

#23277C #7C2327 #277C23

tetradic

#23277C #7C2353 #7C7823 #237C4B

square

#23277C #7C2353 #7C7823 #237C4B

split-complementary

#23277C #7C4B23 #537C23

monochromatic

#08091D #16184C #23277C #3036AC #4D52CD

Accessibility & contrast

On white

12.71

#23277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#23277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23277C

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23277C	#FFFFFF	#000000	##FFFFFF
##23277C	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #23277c;
/* rgb */ color: rgb(35, 39, 124);
/* oklch */ color: oklch(33.1% 0.141 273.6);

Tailwind

colors: {
  custom: {
    50: '#6b61a3',
    500: '#23277c',
    950: '#000000',
  },
}

SCSS

$custom: #23277c;
$custom-light: #6b61a3;
$custom-dark: #000000;

JSON

{
  "hex": "#23277c",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 237.303,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33113,
    "c": 0.1409,
    "h": 273.6
  },
  "luminance": 0.03264
}

Semantic roles & 50–950 ramp

primary

#23277C

secondary

#AFAA4C

accent

#D849DF

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23277C

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

Preview Lab → · Contrast checker → · Palette generator →