#231E8C#231E8C

#231E8C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.172 H 273.8°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#231E8C
RGB	rgb(35, 30, 140)
HSL	hsl(243, 65%, 33%)
HSV	hsv(243, 79%, 55%)
CMYK	cmyk(75%, 78.6%, 0%, 45.1%)
CIE-LAB	lab(20.75, 39.47, -59.29)
CIE-LCH	lch(20.75, 71.23, 303.65°)
OKLab	oklab(33.39% 0.0115 -0.1715)
OKLCH	oklch(33.39% 0.172 273.8)
XYZ	xyz(5.8895, 3.1787, 25.1090)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E8C #878C1E

analogous

#1E508C #231E8C #5A1E8C

triadic

#231E8C #8C231E #1E8C23

tetradic

#231E8C #8C1E50 #878C1E #1E8C5A

square

#231E8C #8C1E50 #878C1E #1E8C5A

split-complementary

#231E8C #8C5A1E #508C1E

monochromatic

#0A0827 #16135A #231E8C #3029BE #524CD9

Accessibility & contrast

On white

12.84

#231E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#231E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E8C

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E8C	#FFFFFF	#000000	##FFFFFF
##231E8C	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002D8A

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #231e8c;
/* rgb */ color: rgb(35, 30, 140);
/* oklch */ color: oklch(33.4% 0.172 273.8);

Tailwind

colors: {
  custom: {
    50: '#705caf',
    500: '#231e8c',
    950: '#000000',
  },
}

SCSS

$custom: #231e8c;
$custom-light: #705caf;
$custom-dark: #000000;

JSON

{
  "hex": "#231e8c",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 140
  },
  "hsl": {
    "h": 242.727,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33386,
    "c": 0.17192,
    "h": 273.8
  },
  "luminance": 0.03179
}

Semantic roles & 50–950 ramp

primary

#231E8C

secondary

#B6BB4B

accent

#E840E0

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #231E8C

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

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