#231E8D#231E8D

#231E8D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.173 H 273.7°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#231E8D
RGB	rgb(35, 30, 141)
HSL	hsl(243, 65%, 34%)
HSV	hsv(243, 79%, 55%)
CMYK	cmyk(75.2%, 78.7%, 0%, 44.7%)
CIE-LAB	lab(20.86, 39.80, -59.73)
CIE-LCH	lch(20.86, 71.77, 303.68°)
OKLab	oklab(33.5% 0.0113 -0.1728)
OKLCH	oklch(33.5% 0.173 273.7)
XYZ	xyz(5.9635, 3.2084, 25.4991)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E8D #888D1E

analogous

#1E508D #231E8D #5A1E8D

triadic

#231E8D #8D231E #1E8D23

tetradic

#231E8D #8D1E50 #888D1E #1E8D5A

square

#231E8D #8D1E50 #888D1E #1E8D5A

split-complementary

#231E8D #8D5A1E #508D1E

monochromatic

#0A0928 #16135B #231E8D #3029BF #534CD9

Accessibility & contrast

On white

12.79

#231E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#231E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E8D

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E8D	#FFFFFF	#000000	##FFFFFF
##231E8D	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002D8B

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #231e8d;
/* rgb */ color: rgb(35, 30, 141);
/* oklch */ color: oklch(33.5% 0.173 273.7);

Tailwind

colors: {
  custom: {
    50: '#715cb0',
    500: '#231e8d',
    950: '#000000',
  },
}

SCSS

$custom: #231e8d;
$custom-light: #715cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#231e8d",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 141
  },
  "hsl": {
    "h": 242.703,
    "s": 64.912,
    "l": 33.529
  },
  "oklch": {
    "l": 0.335,
    "c": 0.17316,
    "h": 273.7
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#231E8D

secondary

#B7BC4B

accent

#E840E0

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231E8D

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

Preview Lab → · Contrast checker → · Palette generator →