#23307E#23307E

#23307E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.132 H 270.7°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#23307E
RGB	rgb(35, 48, 126)
HSL	hsl(231, 57%, 32%)
HSV	hsv(231, 72%, 49%)
CMYK	cmyk(72.2%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(23.60, 22.90, -45.82)
CIE-LCH	lch(23.60, 51.22, 296.55°)
OKLab	oklab(35.03% 0.0017 -0.1321)
OKLCH	oklch(35.03% 0.132 270.7)
XYZ	xyz(5.5147, 3.9770, 20.2116)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23307E #7E7123

analogous

#235E7E #23307E #44237E

triadic

#23307E #7E2330 #307E23

tetradic

#23307E #7E235E #7E7123 #237E44

square

#23307E #7E235E #7E7123 #237E44

split-complementary

#23307E #7E4423 #5E7E23

monochromatic

#080C1E #161E4E #23307E #3042AE #4E60CE

Accessibility & contrast

On white

11.70

#23307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#23307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23307E

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23307E	#FFFFFF	#000000	##FFFFFF
##23307E	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #23307e;
/* rgb */ color: rgb(35, 48, 126);
/* oklch */ color: oklch(35.0% 0.132 270.7);

Tailwind

colors: {
  custom: {
    50: '#6b68a4',
    500: '#23307e',
    950: '#000000',
  },
}

SCSS

$custom: #23307e;
$custom-light: #6b68a4;
$custom-dark: #000000;

JSON

{
  "hex": "#23307e",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 231.429,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35027,
    "c": 0.13216,
    "h": 270.7
  },
  "luminance": 0.03978
}

Semantic roles & 50–950 ramp

primary

#23307E

secondary

#B0A24C

accent

#CA48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23307E

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

Preview Lab → · Contrast checker → · Palette generator →