#231E9C#231E9C

#231E9C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.191 H 272.3°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#231E9C
RGB	rgb(35, 30, 156)
HSL	hsl(242, 68%, 36%)
HSV	hsv(242, 81%, 61%)
CMYK	cmyk(77.6%, 80.8%, 0%, 38.8%)
CIE-LAB	lab(22.60, 44.74, -66.11)
CIE-LCH	lch(22.60, 79.83, 304.09°)
OKLab	oklab(35.23% 0.0079 -0.1913)
OKLCH	oklch(35.23% 0.191 272.3)
XYZ	xyz(7.1561, 3.6854, 31.7802)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E9C #979C1E

analogous

#1E589C #231E9C #621E9C

triadic

#231E9C #9C231E #1E9C23

tetradic

#231E9C #9C1E58 #979C1E #1E9C62

square

#231E9C #9C1E58 #979C1E #1E9C62

split-complementary

#231E9C #9C621E #589C1E

monochromatic

#0C0A35 #171469 #231E9C #2F28CF #5B56DE

Accessibility & contrast

On white

12.09

#231E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#231E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E9C

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E9C	#FFFFFF	#000000	##FFFFFF
##231E9C	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9F

Deuteranopia (green-blind)

#00309A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #231e9c;
/* rgb */ color: rgb(35, 30, 156);
/* oklch */ color: oklch(35.2% 0.191 272.3);

Tailwind

colors: {
  custom: {
    50: '#745dbb',
    500: '#231e9c',
    950: '#000000',
  },
}

SCSS

$custom: #231e9c;
$custom-light: #745dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#231e9c",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 156
  },
  "hsl": {
    "h": 242.381,
    "s": 67.742,
    "l": 36.471
  },
  "oklch": {
    "l": 0.3523,
    "c": 0.19148,
    "h": 272.3
  },
  "luminance": 0.03686
}

Semantic roles & 50–950 ramp

primary

#231E9C

secondary

#BEC254

accent

#EB3DE4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231E9C

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

Preview Lab → · Contrast checker → · Palette generator →