#231D5C#231D5C

#231D5C is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.2% C 0.108 H 281.2°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#231D5C
RGB	rgb(35, 29, 92)
HSL	hsl(246, 52%, 24%)
HSV	hsv(246, 68%, 36%)
CMYK	cmyk(62%, 68.5%, 0%, 63.9%)
CIE-LAB	lab(15.53, 23.21, -36.91)
CIE-LCH	lch(15.53, 43.60, 302.16°)
OKLab	oklab(28.15% 0.021 -0.1061)
OKLCH	oklch(28.15% 0.108 281.2)
XYZ	xyz(3.0637, 2.0086, 10.3494)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D5C #565C1D

analogous

#1D365C #231D5C #421D5C

triadic

#231D5C #5C231D #1D5C23

tetradic

#231D5C #5C1D36 #565C1D #1D5C42

square

#231D5C #5C1D36 #565C1D #1D5C42

split-complementary

#231D5C #5C421D #365C1D

monochromatic

#090717 #110E2D #231D5C #352C8B #463AB9

Accessibility & contrast

On white

14.98

#231D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#231D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D5C

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D5C	#FFFFFF	#000000	##FFFFFF
##231D5C	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295E

Deuteranopia (green-blind)

#00245B

Tritanopia (blue-blind)

#032D39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #231d5c;
/* rgb */ color: rgb(35, 29, 92);
/* oklch */ color: oklch(28.2% 0.108 281.2);

Tailwind

colors: {
  custom: {
    50: '#65598b',
    500: '#231d5c',
    950: '#000000',
  },
}

SCSS

$custom: #231d5c;
$custom-light: #65598b;
$custom-dark: #000000;

JSON

{
  "hex": "#231d5c",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 92
  },
  "hsl": {
    "h": 245.714,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.28154,
    "c": 0.10818,
    "h": 281.2
  },
  "luminance": 0.02009
}

Semantic roles & 50–950 ramp

primary

#231D5C

secondary

#8A9144

accent

#DC4CCE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231D5C

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

Preview Lab → · Contrast checker → · Palette generator →