#231F6E#231F6E

#231F6E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.131 H 277.4°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#231F6E
RGB	rgb(35, 31, 110)
HSL	hsl(243, 56%, 28%)
HSV	hsv(243, 72%, 43%)
CMYK	cmyk(68.2%, 71.8%, 0%, 56.9%)
CIE-LAB	lab(17.75, 28.40, -45.14)
CIE-LCH	lch(17.75, 53.33, 302.18°)
OKLab	oklab(30.29% 0.0168 -0.1302)
OKLCH	oklch(30.29% 0.131 277.4)
XYZ	xyz(3.9967, 2.4628, 15.0136)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231F6E #6A6E1F

analogous

#1F426E #231F6E #4A1F6E

triadic

#231F6E #6E231F #1F6E23

tetradic

#231F6E #6E1F42 #6A6E1F #1F6E4A

square

#231F6E #6E1F42 #6A6E1F #1F6E4A

split-complementary

#231F6E #6E4A1F #426E1F

monochromatic

#080718 #14123E #231F6E #322C9E #463FC9

Accessibility & contrast

On white

14.07

#231F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#231F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231F6E

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231F6E	#FFFFFF	#000000	##FFFFFF
##231F6E	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F70

Deuteranopia (green-blind)

#00286D

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #231f6e;
/* rgb */ color: rgb(35, 31, 110);
/* oklch */ color: oklch(30.3% 0.131 277.4);

Tailwind

colors: {
  custom: {
    50: '#695b98',
    500: '#231f6e',
    950: '#000000',
  },
}

SCSS

$custom: #231f6e;
$custom-light: #695b98;
$custom-dark: #000000;

JSON

{
  "hex": "#231f6e",
  "rgb": {
    "r": 35,
    "g": 31,
    "b": 110
  },
  "hsl": {
    "h": 243.038,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30291,
    "c": 0.13133,
    "h": 277.4
  },
  "luminance": 0.02463
}

Semantic roles & 50–950 ramp

primary

#231F6E

secondary

#9DA247

accent

#DF48D8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #231F6E

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

Preview Lab → · Contrast checker → · Palette generator →