#3153D3#3153D3

#3153D3 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.0% C 0.201 H 267.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3153D3
RGB	rgb(49, 83, 211)
HSL	hsl(227, 65%, 51%)
HSV	hsv(227, 77%, 83%)
CMYK	cmyk(76.8%, 60.7%, 0%, 17.3%)
CIE-LAB	lab(40.48, 33.29, -69.28)
CIE-LCH	lch(40.48, 76.86, 295.67°)
OKLab	oklab(49.96% -0.0101 -0.2003)
OKLCH	oklch(49.96% 0.201 267.1)
XYZ	xyz(16.1136, 11.5408, 62.9937)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153D3 #D3B131

analogous

#31A4D3 #3153D3 #6031D3

triadic

#3153D3 #D33153 #53D331

tetradic

#3153D3 #D331A4 #D3B131 #31D360

square

#3153D3 #D331A4 #D3B131 #31D360

split-complementary

#3153D3 #D36031 #A4D331

monochromatic

#182B71 #233EA4 #3153D3 #637DDE #96A7E9

Accessibility & contrast

On white

6.35

#3153D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3153D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153D3

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153D3	#FFFFFF	#000000	##FFFFFF
##3153D3	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#0058D1

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3153d3;
/* rgb */ color: rgb(49, 83, 211);
/* oklch */ color: oklch(50.0% 0.201 267.1);

Tailwind

colors: {
  custom: {
    50: '#8283e2',
    500: '#3153d3',
    950: '#000000',
  },
}

SCSS

$custom: #3153d3;
$custom-light: #8283e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3153d3",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 211
  },
  "hsl": {
    "h": 227.407,
    "s": 64.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.49958,
    "c": 0.20051,
    "h": 267.1
  },
  "luminance": 0.11543
}

Semantic roles & 50–950 ramp

primary

#3153D3

secondary

#D4C58C

accent

#C540E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3153D3

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

Preview Lab → · Contrast checker → · Palette generator →