#23257E#23257E

#23257E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.146 H 274.0°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#23257E
RGB	rgb(35, 37, 126)
HSL	hsl(239, 57%, 32%)
HSV	hsv(239, 72%, 49%)
CMYK	cmyk(72.2%, 70.6%, 0%, 50.6%)
CIE-LAB	lab(20.78, 30.31, -50.44)
CIE-LCH	lch(20.78, 58.84, 301.01°)
OKLab	oklab(32.96% 0.0101 -0.1457)
OKLCH	oklch(32.96% 0.146 274)
XYZ	xyz(5.1193, 3.1863, 20.0799)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23257E #7E7C23

analogous

#23537E #23257E #4F237E

triadic

#23257E #7E2325 #257E23

tetradic

#23257E #7E2353 #7E7C23 #237E4F

square

#23257E #7E2353 #7E7C23 #237E4F

split-complementary

#23257E #7E4F23 #537E23

monochromatic

#08091E #16174E #23257E #3033AE #4E50CE

Accessibility & contrast

On white

12.83

#23257E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#23257E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23257E

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23257E	#FFFFFF	#000000	##FFFFFF
##23257E	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #23257e;
/* rgb */ color: rgb(35, 37, 126);
/* oklch */ color: oklch(33.0% 0.146 274.0);

Tailwind

colors: {
  custom: {
    50: '#6c60a4',
    500: '#23257e',
    950: '#000000',
  },
}

SCSS

$custom: #23257e;
$custom-light: #6c60a4;
$custom-dark: #000000;

JSON

{
  "hex": "#23257e",
  "rgb": {
    "r": 35,
    "g": 37,
    "b": 126
  },
  "hsl": {
    "h": 238.681,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3296,
    "c": 0.1461,
    "h": 274
  },
  "luminance": 0.03187
}

Semantic roles & 50–950 ramp

primary

#23257E

secondary

#B0AE4C

accent

#DC48E0

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #23257E

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

Preview Lab → · Contrast checker → · Palette generator →