#23378E#23378E

#23378E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.146 H 268.5°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#23378E
RGB	rgb(35, 55, 142)
HSL	hsl(229, 60%, 35%)
HSV	hsv(229, 75%, 56%)
CMYK	cmyk(75.4%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(26.85, 24.27, -50.50)
CIE-LCH	lch(26.85, 56.03, 295.67°)
OKLab	oklab(37.87% -0.0038 -0.1458)
OKLCH	oklch(37.87% 0.146 268.5)
XYZ	xyz(6.9401, 5.0420, 26.1934)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23378E #8E7A23

analogous

#236D8E #23378E #45238E

triadic

#23378E #8E2337 #378E23

tetradic

#23378E #8E236D #8E7A23 #238E45

square

#23378E #8E236D #8E7A23 #238E45

split-complementary

#23378E #8E4523 #6D8E23

monochromatic

#0B112C #17245D #23378E #2F4ABF #566ED5

Accessibility & contrast

On white

10.46

#23378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#23378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23378E

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23378E	#FFFFFF	#000000	##FFFFFF
##23378E	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003B8C

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #23378e;
/* rgb */ color: rgb(35, 55, 142);
/* oklch */ color: oklch(37.9% 0.146 268.5);

Tailwind

colors: {
  custom: {
    50: '#6e6db0',
    500: '#23378e',
    950: '#000000',
  },
}

SCSS

$custom: #23378e;
$custom-light: #6e6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#23378e",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 228.785,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37874,
    "c": 0.14585,
    "h": 268.5
  },
  "luminance": 0.05043
}

Semantic roles & 50–950 ramp

primary

#23378E

secondary

#B9A653

accent

#C644E4

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23378E

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

Preview Lab → · Contrast checker → · Palette generator →