#2318A1#2318A1

#2318A1 is a dark, highly saturated blue. Relative luminance 0.036; OKLCH L 35.2% C 0.202 H 272.3°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#2318A1
RGB	rgb(35, 24, 161)
HSL	hsl(245, 74%, 36%)
HSV	hsv(245, 85%, 63%)
CMYK	cmyk(78.3%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(22.24, 49.15, -69.77)
CIE-LCH	lch(22.24, 85.34, 305.17°)
OKLab	oklab(35.15% 0.0083 -0.2018)
OKLCH	oklch(35.15% 0.202 272.3)
XYZ	xyz(7.4506, 3.5830, 34.0102)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2318A1 #96A118

analogous

#1852A1 #2318A1 #6818A1

triadic

#2318A1 #A12318 #18A123

tetradic

#2318A1 #A11852 #96A118 #18A168

square

#2318A1 #A11852 #96A118 #18A168

split-complementary

#2318A1 #A16818 #52A118

monochromatic

#0C0836 #17106C #2318A1 #2F20D6 #5B4FE5

Accessibility & contrast

On white

12.23

#2318A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2318A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2318A1

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2318A1	#FFFFFF	#000000	##FFFFFF
##2318A1	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#002E9F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2318a1;
/* rgb */ color: rgb(35, 24, 161);
/* oklch */ color: oklch(35.2% 0.202 272.3);

Tailwind

colors: {
  custom: {
    50: '#765abe',
    500: '#2318a1',
    950: '#000000',
  },
}

SCSS

$custom: #2318a1;
$custom-light: #765abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2318a1",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 244.818,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35155,
    "c": 0.20197,
    "h": 272.3
  },
  "luminance": 0.03584
}

Semantic roles & 50–950 ramp

primary

#2318A1

secondary

#BDC74E

accent

#F137E2

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2318A1

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

Preview Lab → · Contrast checker → · Palette generator →