#3157C8#3157C8

#3157C8 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.8% C 0.181 H 265.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3157C8
RGB	rgb(49, 87, 200)
HSL	hsl(225, 61%, 49%)
HSV	hsv(225, 76%, 78%)
CMYK	cmyk(75.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(40.63, 26.67, -62.67)
CIE-LCH	lch(40.63, 68.11, 293.05°)
OKLab	oklab(49.81% -0.013 -0.1808)
OKLCH	oklch(49.81% 0.181 265.9)
XYZ	xyz(15.0965, 11.6378, 56.0831)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157C8 #C8A231

analogous

#31A3C8 #3157C8 #5731C8

triadic

#3157C8 #C83157 #57C831

tetradic

#3157C8 #C831A3 #C8A231 #31C857

square

#3157C8 #C831A3 #C8A231 #31C857

split-complementary

#3157C8 #C85731 #A3C831

monochromatic

#192C66 #254297 #3157C8 #5F7DD8 #90A5E4

Accessibility & contrast

On white

6.31

#3157C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3157C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157C8

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157C8	#FFFFFF	#000000	##FFFFFF
##3157C8	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CC

Deuteranopia (green-blind)

#0059C6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3157c8;
/* rgb */ color: rgb(49, 87, 200);
/* oklch */ color: oklch(49.8% 0.181 265.9);

Tailwind

colors: {
  custom: {
    50: '#7f85da',
    500: '#3157c8',
    950: '#000000',
  },
}

SCSS

$custom: #3157c8;
$custom-light: #7f85da;
$custom-dark: #000000;

JSON

{
  "hex": "#3157c8",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 224.901,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49805,
    "c": 0.18129,
    "h": 265.9
  },
  "luminance": 0.11639
}

Semantic roles & 50–950 ramp

primary

#3157C8

secondary

#CEBC86

accent

#BC44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3157C8

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

Preview Lab → · Contrast checker → · Palette generator →