#231878#231878

#231878 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.152 H 277.3°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#231878
RGB	rgb(35, 24, 120)
HSL	hsl(247, 67%, 28%)
HSV	hsv(247, 80%, 47%)
CMYK	cmyk(70.8%, 80%, 0%, 52.9%)
CIE-LAB	lab(17.30, 36.10, -52.33)
CIE-LCH	lch(17.30, 63.57, 304.60°)
OKLab	oklab(30.3% 0.0194 -0.1512)
OKLCH	oklch(30.3% 0.152 277.3)
XYZ	xyz(4.4088, 2.3663, 17.9901)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231878 #6D7818

analogous

#183D78 #231878 #531878

triadic

#231878 #782318 #187823

tetradic

#231878 #78183D #6D7818 #187853

square

#231878 #78183D #6D7818 #187853

split-complementary

#231878 #785318 #3D7818

monochromatic

#07051A #140E45 #231878 #3222AB #4734D6

Accessibility & contrast

On white

14.25

#231878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#231878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231878

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231878	#FFFFFF	#000000	##FFFFFF
##231878	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7B

Deuteranopia (green-blind)

#002676

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #231878;
/* rgb */ color: rgb(35, 24, 120);
/* oklch */ color: oklch(30.3% 0.152 277.3);

Tailwind

colors: {
  custom: {
    50: '#6c57a0',
    500: '#231878',
    950: '#000000',
  },
}

SCSS

$custom: #231878;
$custom-light: #6c57a0;
$custom-dark: #000000;

JSON

{
  "hex": "#231878",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 120
  },
  "hsl": {
    "h": 246.875,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30295,
    "c": 0.15244,
    "h": 277.3
  },
  "luminance": 0.02367
}

Semantic roles & 50–950 ramp

primary

#231878

secondary

#A0AD3F

accent

#EA3ED6

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #231878

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

Preview Lab → · Contrast checker → · Palette generator →