#23307F#23307F

#23307F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.134 H 270.7°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#23307F
RGB	rgb(35, 48, 127)
HSL	hsl(232, 57%, 32%)
HSV	hsv(232, 72%, 50%)
CMYK	cmyk(72.4%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(23.68, 23.28, -46.31)
CIE-LCH	lch(23.68, 51.84, 296.69°)
OKLab	oklab(35.12% 0.0017 -0.1336)
OKLCH	oklch(35.12% 0.134 270.7)
XYZ	xyz(5.5796, 4.0030, 20.5532)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23307F #7F7223

analogous

#235E7F #23307F #44237F

triadic

#23307F #7F2330 #307F23

tetradic

#23307F #7F235E #7F7223 #237F44

square

#23307F #7F235E #7F7223 #237F44

split-complementary

#23307F #7F4423 #5E7F23

monochromatic

#090C1F #161E4F #23307F #3042AF #4E60CE

Accessibility & contrast

On white

11.66

#23307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#23307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23307F

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23307F	#FFFFFF	#000000	##FFFFFF
##23307F	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D82

Deuteranopia (green-blind)

#00347D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #23307f;
/* rgb */ color: rgb(35, 48, 127);
/* oklch */ color: oklch(35.1% 0.134 270.7);

Tailwind

colors: {
  custom: {
    50: '#6b68a5',
    500: '#23307f',
    950: '#000000',
  },
}

SCSS

$custom: #23307f;
$custom-light: #6b68a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23307f",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 231.522,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35118,
    "c": 0.1336,
    "h": 270.7
  },
  "luminance": 0.04004
}

Semantic roles & 50–950 ramp

primary

#23307F

secondary

#B1A34C

accent

#CB48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #23307F

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

Preview Lab → · Contrast checker → · Palette generator →