#23257F#23257F

#23257F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.147 H 273.9°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#23257F
RGB	rgb(35, 37, 127)
HSL	hsl(239, 57%, 32%)
HSV	hsv(239, 72%, 50%)
CMYK	cmyk(72.4%, 70.9%, 0%, 50.2%)
CIE-LAB	lab(20.87, 30.68, -50.91)
CIE-LCH	lch(20.87, 59.43, 301.07°)
OKLab	oklab(33.06% 0.01 -0.1471)
OKLCH	oklch(33.06% 0.147 273.9)
XYZ	xyz(5.1842, 3.2123, 20.4214)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23257F #7F7D23

analogous

#23537F #23257F #4F237F

triadic

#23257F #7F2325 #257F23

tetradic

#23257F #7F2353 #7F7D23 #237F4F

square

#23257F #7F2353 #7F7D23 #237F4F

split-complementary

#23257F #7F4F23 #537F23

monochromatic

#09091F #16174F #23257F #3033AF #4E51CE

Accessibility & contrast

On white

12.78

#23257F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#23257F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23257F

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23257F	#FFFFFF	#000000	##FFFFFF
##23257F	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #23257f;
/* rgb */ color: rgb(35, 37, 127);
/* oklch */ color: oklch(33.1% 0.147 273.9);

Tailwind

colors: {
  custom: {
    50: '#6c60a5',
    500: '#23257f',
    950: '#000000',
  },
}

SCSS

$custom: #23257f;
$custom-light: #6c60a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23257f",
  "rgb": {
    "r": 35,
    "g": 37,
    "b": 127
  },
  "hsl": {
    "h": 238.696,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33063,
    "c": 0.14746,
    "h": 273.9
  },
  "luminance": 0.03213
}

Semantic roles & 50–950 ramp

primary

#23257F

secondary

#B1AF4C

accent

#DD48E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #23257F

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

Preview Lab → · Contrast checker → · Palette generator →