#2318B3#2318B3

#2318B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.4% C 0.222 H 270.9°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#2318B3
RGB	rgb(35, 24, 179)
HSL	hsl(244, 76%, 40%)
HSV	hsv(244, 87%, 70%)
CMYK	cmyk(80.4%, 86.6%, 0%, 29.8%)
CIE-LAB	lab(24.53, 54.50, -76.84)
CIE-LCH	lch(24.53, 94.21, 305.35°)
OKLab	oklab(37.37% 0.0036 -0.2222)
OKLCH	oklch(37.37% 0.222 270.9)
XYZ	xyz(9.1537, 4.2642, 42.9797)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2318B3 #A8B318

analogous

#185BB3 #2318B3 #7118B3

triadic

#2318B3 #B32318 #18B323

tetradic

#2318B3 #B3185B #A8B318 #18B371

square

#2318B3 #B3185B #A8B318 #18B371

split-complementary

#2318B3 #B37118 #5BB318

monochromatic

#0E0A47 #18117D #2318B3 #3426E2 #665CE9

Accessibility & contrast

On white

11.33

#2318B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2318B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2318B3

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2318B3	#FFFFFF	#000000	##FFFFFF
##2318B3	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2318b3;
/* rgb */ color: rgb(35, 24, 179);
/* oklch */ color: oklch(37.4% 0.222 270.9);

Tailwind

colors: {
  custom: {
    50: '#7b5ccb',
    500: '#2318b3',
    950: '#000000',
  },
}

SCSS

$custom: #2318b3;
$custom-light: #7b5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2318b3",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 179
  },
  "hsl": {
    "h": 244.258,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.3737,
    "c": 0.22228,
    "h": 270.9
  },
  "luminance": 0.04265
}

Semantic roles & 50–950 ramp

primary

#2318B3

secondary

#C5CD5A

accent

#F335E5

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2318B3

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

Preview Lab → · Contrast checker → · Palette generator →