#23398C#23398C

#23398C is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.140 H 267.8°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#23398C
RGB	rgb(35, 57, 140)
HSL	hsl(227, 60%, 34%)
HSV	hsv(227, 75%, 55%)
CMYK	cmyk(75%, 59.3%, 0%, 45.1%)
CIE-LAB	lab(27.23, 22.12, -48.65)
CIE-LCH	lch(27.23, 53.44, 294.45°)
OKLab	oklab(38.1% -0.0054 -0.1403)
OKLCH	oklch(38.1% 0.14 267.8)
XYZ	xyz(6.8882, 5.1763, 25.4420)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23398C #8C7623

analogous

#236E8C #23398C #42238C

triadic

#23398C #8C2339 #398C23

tetradic

#23398C #8C236E #8C7623 #238C42

square

#23398C #8C236E #8C7623 #238C42

split-complementary

#23398C #8C4223 #6E8C23

monochromatic

#0B112A #17255B #23398C #2F4DBD #5570D4

Accessibility & contrast

On white

10.32

#23398C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#23398C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23398C

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23398C	#FFFFFF	#000000	##FFFFFF
##23398C	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003C8A

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23398c;
/* rgb */ color: rgb(35, 57, 140);
/* oklch */ color: oklch(38.1% 0.140 267.8);

Tailwind

colors: {
  custom: {
    50: '#6e6fae',
    500: '#23398c',
    950: '#000000',
  },
}

SCSS

$custom: #23398c;
$custom-light: #6e6fae;
$custom-dark: #000000;

JSON

{
  "hex": "#23398c",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 140
  },
  "hsl": {
    "h": 227.429,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38103,
    "c": 0.14043,
    "h": 267.8
  },
  "luminance": 0.05177
}

Semantic roles & 50–950 ramp

primary

#23398C

secondary

#B8A352

accent

#C245E3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23398C

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

Preview Lab → · Contrast checker → · Palette generator →