#3155C8#3155C8

#3155C8 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.184 H 266.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3155C8
RGB	rgb(49, 85, 200)
HSL	hsl(226, 61%, 49%)
HSV	hsv(226, 76%, 78%)
CMYK	cmyk(75.5%, 57.5%, 0%, 21.6%)
CIE-LAB	lab(40.11, 27.96, -63.52)
CIE-LCH	lch(40.11, 69.41, 293.76°)
OKLab	oklab(49.41% -0.0116 -0.1834)
OKLCH	oklch(49.41% 0.184 266.4)
XYZ	xyz(14.9368, 11.3184, 56.0298)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155C8 #C8A431

analogous

#31A1C8 #3155C8 #5831C8

triadic

#3155C8 #C83155 #55C831

tetradic

#3155C8 #C831A1 #C8A431 #31C858

square

#3155C8 #C831A1 #C8A431 #31C858

split-complementary

#3155C8 #C85831 #A1C831

monochromatic

#192B66 #254097 #3155C8 #5F7BD8 #90A4E4

Accessibility & contrast

On white

6.43

#3155C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3155C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155C8

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155C8	#FFFFFF	#000000	##FFFFFF
##3155C8	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#0058C6

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3155c8;
/* rgb */ color: rgb(49, 85, 200);
/* oklch */ color: oklch(49.4% 0.184 266.4);

Tailwind

colors: {
  custom: {
    50: '#7f84da',
    500: '#3155c8',
    950: '#000000',
  },
}

SCSS

$custom: #3155c8;
$custom-light: #7f84da;
$custom-dark: #000000;

JSON

{
  "hex": "#3155c8",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 200
  },
  "hsl": {
    "h": 225.695,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49413,
    "c": 0.18372,
    "h": 266.4
  },
  "luminance": 0.1132
}

Semantic roles & 50–950 ramp

primary

#3155C8

secondary

#CEBD86

accent

#BE44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3155C8

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

Preview Lab → · Contrast checker → · Palette generator →