#23398D#23398D

#23398D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.142 H 267.8°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#23398D
RGB	rgb(35, 57, 141)
HSL	hsl(228, 60%, 35%)
HSV	hsv(228, 75%, 55%)
CMYK	cmyk(75.2%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(27.31, 22.51, -49.13)
CIE-LCH	lch(27.31, 54.04, 294.61°)
OKLab	oklab(38.19% -0.0054 -0.1418)
OKLCH	oklch(38.19% 0.142 267.8)
XYZ	xyz(6.9623, 5.2059, 25.8321)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23398D #8D7723

analogous

#236E8D #23398D #42238D

triadic

#23398D #8D2339 #398D23

tetradic

#23398D #8D236E #8D7723 #238D42

square

#23398D #8D236E #8D7723 #238D42

split-complementary

#23398D #8D4223 #6E8D23

monochromatic

#0B112B #17255C #23398D #2F4DBE #5570D5

Accessibility & contrast

On white

10.29

#23398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#23398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23398D

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23398D	#FFFFFF	#000000	##FFFFFF
##23398D	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #23398d;
/* rgb */ color: rgb(35, 57, 141);
/* oklch */ color: oklch(38.2% 0.142 267.8);

Tailwind

colors: {
  custom: {
    50: '#6e6faf',
    500: '#23398d',
    950: '#000000',
  },
}

SCSS

$custom: #23398d;
$custom-light: #6e6faf;
$custom-dark: #000000;

JSON

{
  "hex": "#23398d",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 227.547,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38191,
    "c": 0.14186,
    "h": 267.8
  },
  "luminance": 0.05207
}

Semantic roles & 50–950 ramp

primary

#23398D

secondary

#B9A453

accent

#C244E3

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23398D

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

Preview Lab → · Contrast checker → · Palette generator →