#231978#231978

#231978 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.151 H 277.2°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#231978
RGB	rgb(35, 25, 120)
HSL	hsl(246, 66%, 28%)
HSV	hsv(246, 79%, 47%)
CMYK	cmyk(70.8%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(17.50, 35.55, -52.00)
CIE-LCH	lch(17.50, 62.99, 304.35°)
OKLab	oklab(30.43% 0.0189 -0.1503)
OKLCH	oklch(30.43% 0.151 277.2)
XYZ	xyz(4.4298, 2.4083, 17.9970)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231978 #6E7819

analogous

#193E78 #231978 #521978

triadic

#231978 #782319 #197823

tetradic

#231978 #78193E #6E7819 #197852

square

#231978 #78193E #6E7819 #197852

split-complementary

#231978 #785219 #3E7819

monochromatic

#070519 #140E45 #231978 #3224AB #4736D5

Accessibility & contrast

On white

14.17

#231978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#231978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231978

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231978	#FFFFFF	#000000	##FFFFFF
##231978	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7B

Deuteranopia (green-blind)

#002776

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #231978;
/* rgb */ color: rgb(35, 25, 120);
/* oklch */ color: oklch(30.4% 0.151 277.2);

Tailwind

colors: {
  custom: {
    50: '#6c58a0',
    500: '#231978',
    950: '#000000',
  },
}

SCSS

$custom: #231978;
$custom-light: #6c58a0;
$custom-dark: #000000;

JSON

{
  "hex": "#231978",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 246.316,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30432,
    "c": 0.15145,
    "h": 277.2
  },
  "luminance": 0.02409
}

Semantic roles & 50–950 ramp

primary

#231978

secondary

#A1AD40

accent

#E83FD7

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#08030F

muted

#7A787F

Preview Lab

Preview with #231978

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

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