#23237D#23237D

#23237D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.147 H 274.5°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#23237D
RGB	rgb(35, 35, 125)
HSL	hsl(240, 56%, 31%)
HSV	hsv(240, 72%, 49%)
CMYK	cmyk(72%, 72%, 0%, 51%)
CIE-LAB	lab(20.20, 31.24, -50.74)
CIE-LCH	lch(20.20, 59.59, 301.62°)
OKLab	oklab(32.52% 0.0116 -0.1466)
OKLCH	oklch(32.52% 0.147 274.5)
XYZ	xyz(4.9946, 3.0396, 19.7215)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23237D #7D7D23

analogous

#23507D #23237D #50237D

triadic

#23237D #7D2323 #237D23

tetradic

#23237D #7D2350 #7D7D23 #237D50

square

#23237D #7D2350 #7D7D23 #237D50

split-complementary

#23237D #7D5023 #507D23

monochromatic

#08081D #16164D #23237D #3030AD #4D4DCD

Accessibility & contrast

On white

13.06

#23237D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#23237D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23237D

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23237D	#FFFFFF	#000000	##FFFFFF
##23237D	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #23237d;
/* rgb */ color: rgb(35, 35, 125);
/* oklch */ color: oklch(32.5% 0.147 274.5);

Tailwind

colors: {
  custom: {
    50: '#6c5ea4',
    500: '#23237d',
    950: '#000000',
  },
}

SCSS

$custom: #23237d;
$custom-light: #6c5ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#23237d",
  "rgb": {
    "r": 35,
    "g": 35,
    "b": 125
  },
  "hsl": {
    "h": 240,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32516,
    "c": 0.14711,
    "h": 274.5
  },
  "luminance": 0.0304
}

Semantic roles & 50–950 ramp

primary

#23237D

secondary

#AFAF4C

accent

#E048E0

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #23237D

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

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