#23288D#23288D

#23288D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.163 H 272.2°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#23288D
RGB	rgb(35, 40, 141)
HSL	hsl(237, 60%, 35%)
HSV	hsv(237, 75%, 55%)
CMYK	cmyk(75.2%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(22.99, 33.84, -56.21)
CIE-LCH	lch(22.99, 65.61, 301.05°)
OKLab	oklab(35.02% 0.0062 -0.1626)
OKLCH	oklch(35.02% 0.163 272.2)
XYZ	xyz(6.2580, 3.7974, 25.5973)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23288D #8D8823

analogous

#235D8D #23288D #53238D

triadic

#23288D #8D2328 #288D23

tetradic

#23288D #8D235D #8D8823 #238D53

square

#23288D #8D235D #8D8823 #238D53

split-complementary

#23288D #8D5323 #5D8D23

monochromatic

#0B0C2B #171A5C #23288D #2F36BE #555BD5

Accessibility & contrast

On white

11.93

#23288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#23288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23288D

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23288D	#FFFFFF	#000000	##FFFFFF
##23288D	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23288d;
/* rgb */ color: rgb(35, 40, 141);
/* oklch */ color: oklch(35.0% 0.163 272.2);

Tailwind

colors: {
  custom: {
    50: '#7062af',
    500: '#23288d',
    950: '#000000',
  },
}

SCSS

$custom: #23288d;
$custom-light: #7062af;
$custom-dark: #000000;

JSON

{
  "hex": "#23288d",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 237.17,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35016,
    "c": 0.16274,
    "h": 272.2
  },
  "luminance": 0.03798
}

Semantic roles & 50–950 ramp

primary

#23288D

secondary

#B9B453

accent

#DC44E3

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #23288D

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

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