#23237E#23237E

#23237E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.148 H 274.4°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#23237E
RGB	rgb(35, 35, 126)
HSL	hsl(240, 57%, 32%)
HSV	hsv(240, 72%, 49%)
CMYK	cmyk(72.2%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(20.30, 31.60, -51.21)
CIE-LCH	lch(20.30, 60.17, 301.68°)
OKLab	oklab(32.62% 0.0114 -0.148)
OKLCH	oklch(32.62% 0.148 274.4)
XYZ	xyz(5.0588, 3.0653, 20.0597)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23237E #7E7E23

analogous

#23517E #23237E #51237E

triadic

#23237E #7E2323 #237E23

tetradic

#23237E #7E2351 #7E7E23 #237E51

square

#23237E #7E2351 #7E7E23 #237E51

split-complementary

#23237E #7E5123 #517E23

monochromatic

#08081E #16164E #23237E #3030AE #4E4ECE

Accessibility & contrast

On white

13.02

#23237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#23237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23237E

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23237E	#FFFFFF	#000000	##FFFFFF
##23237E	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#002D7C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #23237e;
/* rgb */ color: rgb(35, 35, 126);
/* oklch */ color: oklch(32.6% 0.148 274.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#23237e",
  "rgb": {
    "r": 35,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 240,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3262,
    "c": 0.14845,
    "h": 274.4
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#23237E

secondary

#B0B04C

accent

#E048E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #23237E

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

Preview Lab → · Contrast checker → · Palette generator →