#23398F#23398F

#23398F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.145 H 267.9°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#23398F
RGB	rgb(35, 57, 143)
HSL	hsl(228, 61%, 35%)
HSV	hsv(228, 76%, 56%)
CMYK	cmyk(75.5%, 60.1%, 0%, 43.9%)
CIE-LAB	lab(27.48, 23.29, -50.10)
CIE-LCH	lch(27.48, 55.25, 294.93°)
OKLab	oklab(38.37% -0.0053 -0.1446)
OKLCH	oklch(38.37% 0.145 267.9)
XYZ	xyz(7.1125, 5.2660, 26.6229)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23398F #8F7923

analogous

#236F8F #23398F #43238F

triadic

#23398F #8F2339 #398F23

tetradic

#23398F #8F236F #8F7923 #238F43

square

#23398F #8F236F #8F7923 #238F43

split-complementary

#23398F #8F4323 #6F8F23

monochromatic

#0B122D #17255E #23398F #2F4DC0 #5771D6

Accessibility & contrast

On white

10.23

#23398F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#23398F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23398F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23398F	#FFFFFF	#000000	##FFFFFF
##23398F	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #23398f;
/* rgb */ color: rgb(35, 57, 143);
/* oklch */ color: oklch(38.4% 0.145 267.9);

Tailwind

colors: {
  custom: {
    50: '#6e6fb1',
    500: '#23398f',
    950: '#000000',
  },
}

SCSS

$custom: #23398f;
$custom-light: #6e6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#23398f",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 143
  },
  "hsl": {
    "h": 227.778,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38367,
    "c": 0.14469,
    "h": 267.9
  },
  "luminance": 0.05267
}

Semantic roles & 50–950 ramp

primary

#23398F

secondary

#BAA554

accent

#C344E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #23398F

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

Preview Lab → · Contrast checker → · Palette generator →