#23278F#23278F

#23278F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.166 H 272.2°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#23278F
RGB	rgb(35, 39, 143)
HSL	hsl(238, 61%, 35%)
HSV	hsv(238, 76%, 56%)
CMYK	cmyk(75.5%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(22.97, 35.18, -57.49)
CIE-LCH	lch(22.97, 67.40, 301.47°)
OKLab	oklab(35.06% 0.0065 -0.1663)
OKLCH	oklch(35.06% 0.166 272.2)
XYZ	xyz(6.3749, 3.7909, 26.3770)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23278F #8F8B23

analogous

#235D8F #23278F #55238F

triadic

#23278F #8F2327 #278F23

tetradic

#23278F #8F235D #8F8B23 #238F55

square

#23278F #8F235D #8F8B23 #238F55

split-complementary

#23278F #8F5523 #5D8F23

monochromatic

#0B0C2D #171A5E #23278F #2F34C0 #575BD6

Accessibility & contrast

On white

11.94

#23278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#23278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23278F

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23278F	#FFFFFF	#000000	##FFFFFF
##23278F	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23278f;
/* rgb */ color: rgb(35, 39, 143);
/* oklch */ color: oklch(35.1% 0.166 272.2);

Tailwind

colors: {
  custom: {
    50: '#7062b1',
    500: '#23278f',
    950: '#000000',
  },
}

SCSS

$custom: #23278f;
$custom-light: #7062b1;
$custom-dark: #000000;

JSON

{
  "hex": "#23278f",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 237.778,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35062,
    "c": 0.16648,
    "h": 272.2
  },
  "luminance": 0.03792
}

Semantic roles & 50–950 ramp

primary

#23278F

secondary

#BAB654

accent

#DE44E4

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #23278F

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

Preview Lab → · Contrast checker → · Palette generator →