#3118B4#3118B4

#3118B4 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.4% C 0.220 H 275.6°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#3118B4
RGB	rgb(49, 24, 180)
HSL	hsl(250, 76%, 40%)
HSV	hsv(250, 87%, 71%)
CMYK	cmyk(72.8%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(25.57, 55.53, -75.68)
CIE-LCH	lch(25.57, 93.87, 306.27°)
OKLab	oklab(38.36% 0.0216 -0.2187)
OKLCH	oklch(38.36% 0.22 275.6)
XYZ	xyz(9.8288, 4.6006, 43.5412)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3118B4 #9BB418

analogous

#184DB4 #3118B4 #7F18B4

triadic

#3118B4 #B43118 #18B431

tetradic

#3118B4 #B4184D #9BB418 #18B47F

square

#3118B4 #B4184D #9BB418 #18B47F

split-complementary

#3118B4 #B47F18 #4DB418

monochromatic

#140A48 #22117E #3118B4 #4527E2 #735DE9

Accessibility & contrast

On white

10.94

#3118B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3118B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3118B4

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3118B4	#FFFFFF	#000000	##FFFFFF
##3118B4	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3118b4;
/* rgb */ color: rgb(49, 24, 180);
/* oklch */ color: oklch(38.4% 0.220 275.6);

Tailwind

colors: {
  custom: {
    50: '#7f5dcc',
    500: '#3118b4',
    950: '#000000',
  },
}

SCSS

$custom: #3118b4;
$custom-light: #7f5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3118b4",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 249.615,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.38356,
    "c": 0.21975,
    "h": 275.6
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary

#3118B4

secondary

#BBCD5B

accent

#F335D5

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3118B4

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

Preview Lab → · Contrast checker → · Palette generator →