#23318F#23318F

#23318F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.155 H 270.1°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#23318F
RGB	rgb(35, 49, 143)
HSL	hsl(232, 61%, 35%)
HSV	hsv(232, 76%, 56%)
CMYK	cmyk(75.5%, 65.7%, 0%, 43.9%)
CIE-LAB	lab(25.37, 28.71, -53.54)
CIE-LCH	lch(25.37, 60.76, 298.20°)
OKLab	oklab(36.81% 0.0004 -0.1548)
OKLCH	oklch(36.81% 0.155 270.1)
XYZ	xyz(6.7477, 4.5364, 26.5013)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23318F #8F8123

analogous

#23678F #23318F #4B238F

triadic

#23318F #8F2331 #318F23

tetradic

#23318F #8F2367 #8F8123 #238F4B

square

#23318F #8F2367 #8F8123 #238F4B

split-complementary

#23318F #8F4B23 #678F23

monochromatic

#0B0F2D #17205E #23318F #2F42C0 #5767D6

Accessibility & contrast

On white

11.01

#23318F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#23318F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23318F

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23318F	#FFFFFF	#000000	##FFFFFF
##23318F	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00378D

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #23318f;
/* rgb */ color: rgb(35, 49, 143);
/* oklch */ color: oklch(36.8% 0.155 270.1);

Tailwind

colors: {
  custom: {
    50: '#6f69b1',
    500: '#23318f',
    950: '#000000',
  },
}

SCSS

$custom: #23318f;
$custom-light: #6f69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#23318f",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 143
  },
  "hsl": {
    "h": 232.222,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36806,
    "c": 0.15478,
    "h": 270.1
  },
  "luminance": 0.04537
}

Semantic roles & 50–950 ramp

primary

#23318F

secondary

#BAAD54

accent

#CF44E4

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #23318F

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

Preview Lab → · Contrast checker → · Palette generator →