#23378F#23378F

#23378F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.147 H 268.5°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#23378F
RGB	rgb(35, 55, 143)
HSL	hsl(229, 61%, 35%)
HSV	hsv(229, 76%, 56%)
CMYK	cmyk(75.5%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(26.94, 24.66, -50.98)
CIE-LCH	lch(26.94, 56.63, 295.81°)
OKLab	oklab(37.96% -0.0038 -0.1472)
OKLCH	oklch(37.96% 0.147 268.5)
XYZ	xyz(7.0155, 5.0721, 26.5906)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23378F #8F7B23

analogous

#236D8F #23378F #45238F

triadic

#23378F #8F2337 #378F23

tetradic

#23378F #8F236D #8F7B23 #238F45

square

#23378F #8F236D #8F7B23 #238F45

split-complementary

#23378F #8F4523 #6D8F23

monochromatic

#0B112D #17245E #23378F #2F4AC0 #576ED6

Accessibility & contrast

On white

10.42

#23378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#23378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23378F

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23378F	#FFFFFF	#000000	##FFFFFF
##23378F	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23378f;
/* rgb */ color: rgb(35, 55, 143);
/* oklch */ color: oklch(38.0% 0.147 268.5);

Tailwind

colors: {
  custom: {
    50: '#6f6db1',
    500: '#23378f',
    950: '#000000',
  },
}

SCSS

$custom: #23378f;
$custom-light: #6f6db1;
$custom-dark: #000000;

JSON

{
  "hex": "#23378f",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 228.889,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37964,
    "c": 0.14725,
    "h": 268.5
  },
  "luminance": 0.05073
}

Semantic roles & 50–950 ramp

primary

#23378F

secondary

#BAA754

accent

#C644E4

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #23378F

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

Preview Lab → · Contrast checker → · Palette generator →