#23379E#23379E

#23379E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.168 H 268.6°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#23379E
RGB	rgb(35, 55, 158)
HSL	hsl(230, 64%, 38%)
HSV	hsv(230, 78%, 62%)
CMYK	cmyk(77.8%, 65.2%, 0%, 38%)
CIE-LAB	lab(28.27, 30.38, -57.99)
CIE-LCH	lch(28.27, 65.47, 297.65°)
OKLab	oklab(39.36% -0.0041 -0.1678)
OKLCH	oklch(39.36% 0.168 268.6)
XYZ	xyz(8.2287, 5.5574, 32.9801)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23379E #9E8A23

analogous

#23749E #23379E #4C239E

triadic

#23379E #9E2337 #379E23

tetradic

#23379E #9E2374 #9E8A23 #239E4C

square

#23379E #9E2374 #9E8A23 #239E4C

split-complementary

#23379E #9E4C23 #749E23

monochromatic

#0D143A #18266C #23379E #2E48D0 #6074DC

Accessibility & contrast

On white

9.95

#23379E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#23379E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23379E

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23379E	#FFFFFF	#000000	##FFFFFF
##23379E	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #23379e;
/* rgb */ color: rgb(35, 55, 158);
/* oklch */ color: oklch(39.4% 0.168 268.6);

Tailwind

colors: {
  custom: {
    50: '#726dbc',
    500: '#23379e',
    950: '#000000',
  },
}

SCSS

$custom: #23379e;
$custom-light: #726dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#23379e",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 158
  },
  "hsl": {
    "h": 230.244,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39356,
    "c": 0.16781,
    "h": 268.6
  },
  "luminance": 0.05558
}

Semantic roles & 50–950 ramp

primary

#23379E

secondary

#C1B05C

accent

#CC41E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23379E

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

Preview Lab → · Contrast checker → · Palette generator →