#2316B4#2316B4

#2316B4 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.3% C 0.225 H 270.9°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#2316B4
RGB	rgb(35, 22, 180)
HSL	hsl(245, 78%, 40%)
HSV	hsv(245, 88%, 71%)
CMYK	cmyk(80.6%, 87.8%, 0%, 29.4%)
CIE-LAB	lab(24.40, 55.55, -77.64)
CIE-LCH	lch(24.40, 95.47, 305.58°)
OKLab	oklab(37.32% 0.0036 -0.2245)
OKLCH	oklch(37.32% 0.225 270.9)
XYZ	xyz(9.2155, 4.2254, 43.5011)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2316B4 #A7B416

analogous

#1658B4 #2316B4 #7216B4

triadic

#2316B4 #B42316 #16B423

tetradic

#2316B4 #B41658 #A7B416 #16B472

square

#2316B4 #B41658 #A7B416 #16B472

split-complementary

#2316B4 #B47216 #58B416

monochromatic

#0E0947 #180F7D #2316B4 #3323E4 #665AEB

Accessibility & contrast

On white

11.38

#2316B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2316B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2316B4

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2316B4	#FFFFFF	#000000	##FFFFFF
##2316B4	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B8

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2316b4;
/* rgb */ color: rgb(35, 22, 180);
/* oklch */ color: oklch(37.3% 0.225 270.9);

Tailwind

colors: {
  custom: {
    50: '#7b5bcc',
    500: '#2316b4',
    950: '#000000',
  },
}

SCSS

$custom: #2316b4;
$custom-light: #7b5bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2316b4",
  "rgb": {
    "r": 35,
    "g": 22,
    "b": 180
  },
  "hsl": {
    "h": 244.937,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37322,
    "c": 0.22456,
    "h": 270.9
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#2316B4

secondary

#C4CE58

accent

#F533E5

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2316B4

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

Preview Lab → · Contrast checker → · Palette generator →