#3153D0#3153D0

#3153D0 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.7% C 0.197 H 267.1°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3153D0
RGB	rgb(49, 83, 208)
HSL	hsl(227, 63%, 50%)
HSV	hsv(227, 76%, 82%)
CMYK	cmyk(76.4%, 60.1%, 0%, 18.4%)
CIE-LAB	lab(40.23, 32.20, -67.95)
CIE-LCH	lch(40.23, 75.19, 295.35°)
OKLab	oklab(49.7% -0.0101 -0.1964)
OKLCH	oklch(49.7% 0.197 267.1)
XYZ	xyz(15.7411, 11.3918, 61.0315)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153D0 #D0AE31

analogous

#31A2D0 #3153D0 #5E31D0

triadic

#3153D0 #D03153 #53D031

tetradic

#3153D0 #D031A2 #D0AE31 #31D05E

square

#3153D0 #D031A2 #D0AE31 #31D05E

split-complementary

#3153D0 #D05E31 #A2D031

monochromatic

#192B6E #243F9F #3153D0 #637DDB #95A6E7

Accessibility & contrast

On white

6.40

#3153D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3153D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153D0

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153D0	#FFFFFF	#000000	##FFFFFF
##3153D0	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D4

Deuteranopia (green-blind)

#0058CE

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3153d0;
/* rgb */ color: rgb(49, 83, 208);
/* oklch */ color: oklch(49.7% 0.197 267.1);

Tailwind

colors: {
  custom: {
    50: '#8183df',
    500: '#3153d0',
    950: '#000000',
  },
}

SCSS

$custom: #3153d0;
$custom-light: #8183df;
$custom-dark: #000000;

JSON

{
  "hex": "#3153d0",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 208
  },
  "hsl": {
    "h": 227.17,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49701,
    "c": 0.19663,
    "h": 267.1
  },
  "luminance": 0.11394
}

Semantic roles & 50–950 ramp

primary

#3153D0

secondary

#D2C38B

accent

#C342E6

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3153D0

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

Preview Lab → · Contrast checker → · Palette generator →