#23287D#23287D

#23287D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.141 H 273.3°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#23287D
RGB	rgb(35, 40, 125)
HSL	hsl(237, 56%, 31%)
HSV	hsv(237, 72%, 49%)
CMYK	cmyk(72%, 68%, 0%, 51%)
CIE-LAB	lab(21.41, 27.97, -48.75)
CIE-LCH	lch(21.41, 56.21, 299.84°)
OKLab	oklab(33.39% 0.008 -0.1408)
OKLCH	oklch(33.39% 0.141 273.3)
XYZ	xyz(5.1524, 3.3551, 19.7741)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23287D #7D7823

analogous

#23557D #23287D #4B237D

triadic

#23287D #7D2328 #287D23

tetradic

#23287D #7D2355 #7D7823 #237D4B

square

#23287D #7D2355 #7D7823 #237D4B

split-complementary

#23287D #7D4B23 #557D23

monochromatic

#08091D #16194D #23287D #3037AD #4D54CD

Accessibility & contrast

On white

12.57

#23287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#23287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23287D

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23287D	#FFFFFF	#000000	##FFFFFF
##23287D	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #23287d;
/* rgb */ color: rgb(35, 40, 125);
/* oklch */ color: oklch(33.4% 0.141 273.3);

Tailwind

colors: {
  custom: {
    50: '#6c62a3',
    500: '#23287d',
    950: '#000000',
  },
}

SCSS

$custom: #23287d;
$custom-light: #6c62a3;
$custom-dark: #000000;

JSON

{
  "hex": "#23287d",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 236.667,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33394,
    "c": 0.14105,
    "h": 273.3
  },
  "luminance": 0.03356
}

Semantic roles & 50–950 ramp

primary

#23287D

secondary

#AFAA4C

accent

#D748E0

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23287D

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

Preview Lab → · Contrast checker → · Palette generator →