#2318A0#2318A0

#2318A0 is a dark, highly saturated blue. Relative luminance 0.035; OKLCH L 35.0% C 0.201 H 272.4°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#2318A0
RGB	rgb(35, 24, 160)
HSL	hsl(245, 74%, 36%)
HSV	hsv(245, 85%, 63%)
CMYK	cmyk(78.1%, 85%, 0%, 37.3%)
CIE-LAB	lab(22.12, 48.85, -69.36)
CIE-LCH	lch(22.12, 84.84, 305.15°)
OKLab	oklab(35.03% 0.0085 -0.2006)
OKLCH	oklch(35.03% 0.201 272.4)
XYZ	xyz(7.3628, 3.5479, 33.5477)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2318A0 #95A018

analogous

#1851A0 #2318A0 #6718A0

triadic

#2318A0 #A02318 #18A023

tetradic

#2318A0 #A01851 #95A018 #18A067

square

#2318A0 #A01851 #95A018 #18A067

split-complementary

#2318A0 #A06718 #51A018

monochromatic

#0C0836 #17106B #2318A0 #2F20D5 #5A4EE4

Accessibility & contrast

On white

12.28

#2318A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2318A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2318A0

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2318A0	#FFFFFF	#000000	##FFFFFF
##2318A0	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA4

Deuteranopia (green-blind)

#002E9E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2318a0;
/* rgb */ color: rgb(35, 24, 160);
/* oklch */ color: oklch(35.0% 0.201 272.4);

Tailwind

colors: {
  custom: {
    50: '#765abe',
    500: '#2318a0',
    950: '#000000',
  },
}

SCSS

$custom: #2318a0;
$custom-light: #765abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2318a0",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 160
  },
  "hsl": {
    "h": 244.853,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35033,
    "c": 0.20082,
    "h": 272.4
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#2318A0

secondary

#BDC64D

accent

#F137E2

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2318A0

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

Preview Lab → · Contrast checker → · Palette generator →