#23379D#23379D

#23379D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.166 H 268.6°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#23379D
RGB	rgb(35, 55, 157)
HSL	hsl(230, 64%, 38%)
HSV	hsv(230, 78%, 62%)
CMYK	cmyk(77.7%, 65%, 0%, 38.4%)
CIE-LAB	lab(28.18, 30.01, -57.53)
CIE-LCH	lch(28.18, 64.89, 297.54°)
OKLab	oklab(39.26% -0.0041 -0.1664)
OKLCH	oklch(39.26% 0.166 268.6)
XYZ	xyz(8.1430, 5.5231, 32.5287)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23379D #9D8923

analogous

#23749D #23379D #4C239D

triadic

#23379D #9D2337 #379D23

tetradic

#23379D #9D2374 #9D8923 #239D4C

square

#23379D #9D2374 #9D8923 #239D4C

split-complementary

#23379D #9D4C23 #749D23

monochromatic

#0D1439 #18256B #23379D #2E49CF #5F73DB

Accessibility & contrast

On white

9.98

#23379D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#23379D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23379D

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23379D	#FFFFFF	#000000	##FFFFFF
##23379D	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A0

Deuteranopia (green-blind)

#003D9B

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #23379d;
/* rgb */ color: rgb(35, 55, 157);
/* oklch */ color: oklch(39.3% 0.166 268.6);

Tailwind

colors: {
  custom: {
    50: '#726dbb',
    500: '#23379d',
    950: '#000000',
  },
}

SCSS

$custom: #23379d;
$custom-light: #726dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#23379d",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 157
  },
  "hsl": {
    "h": 230.164,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39261,
    "c": 0.16647,
    "h": 268.6
  },
  "luminance": 0.05524
}

Semantic roles & 50–950 ramp

primary

#23379D

secondary

#C0B05C

accent

#CB41E7

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23379D

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

Preview Lab → · Contrast checker → · Palette generator →