#23278E#23278E

#23278E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.165 H 272.3°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#23278E
RGB	rgb(35, 39, 142)
HSL	hsl(238, 60%, 35%)
HSV	hsv(238, 75%, 56%)
CMYK	cmyk(75.4%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(22.86, 34.83, -57.04)
CIE-LCH	lch(22.86, 66.83, 301.41°)
OKLab	oklab(34.96% 0.0066 -0.165)
OKLCH	oklch(34.96% 0.165 272.3)
XYZ	xyz(6.2995, 3.7607, 25.9798)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23278E #8E8A23

analogous

#235D8E #23278E #55238E

triadic

#23278E #8E2327 #278E23

tetradic

#23278E #8E235D #8E8A23 #238E55

square

#23278E #8E235D #8E8A23 #238E55

split-complementary

#23278E #8E5523 #5D8E23

monochromatic

#0B0C2C #171A5D #23278E #2F34BF #565BD5

Accessibility & contrast

On white

11.98

#23278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#23278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23278E

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23278E	#FFFFFF	#000000	##FFFFFF
##23278E	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23278e;
/* rgb */ color: rgb(35, 39, 142);
/* oklch */ color: oklch(35.0% 0.165 272.3);

Tailwind

colors: {
  custom: {
    50: '#7062b0',
    500: '#23278e',
    950: '#000000',
  },
}

SCSS

$custom: #23278e;
$custom-light: #7062b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23278e",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 237.757,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34956,
    "c": 0.16517,
    "h": 272.3
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#23278E

secondary

#B9B653

accent

#DE44E4

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #23278E

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

Preview Lab → · Contrast checker → · Palette generator →