#3351C8#3351C8

#3351C8 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.188 H 267.8°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3351C8
RGB	rgb(51, 81, 200)
HSL	hsl(228, 59%, 49%)
HSV	hsv(228, 75%, 78%)
CMYK	cmyk(74.5%, 59.5%, 0%, 21.6%)
CIE-LAB	lab(39.17, 30.77, -65.06)
CIE-LCH	lch(39.17, 71.97, 295.31°)
OKLab	oklab(48.73% -0.0072 -0.1879)
OKLCH	oklch(48.73% 0.188 267.8)
XYZ	xyz(14.7294, 10.7572, 55.9325)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351C8 #C8AA33

analogous

#339CC8 #3351C8 #5F33C8

triadic

#3351C8 #C83351 #51C833

tetradic

#3351C8 #C8339C #C8AA33 #33C85F

square

#3351C8 #C8339C #C8AA33 #33C85F

split-complementary

#3351C8 #C85F33 #9CC833

monochromatic

#1A2A66 #273D97 #3351C8 #6179D7 #92A2E3

Accessibility & contrast

On white

6.66

#3351C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3351C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3351C8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351C8	#FFFFFF	#000000	##FFFFFF
##3351C8	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CC

Deuteranopia (green-blind)

#0056C6

Tritanopia (blue-blind)

#006F84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3351c8;
/* rgb */ color: rgb(51, 81, 200);
/* oklch */ color: oklch(48.7% 0.188 267.8);

Tailwind

colors: {
  custom: {
    50: '#8081da',
    500: '#3351c8',
    950: '#000000',
  },
}

SCSS

$custom: #3351c8;
$custom-light: #8081da;
$custom-dark: #000000;

JSON

{
  "hex": "#3351c8",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 200
  },
  "hsl": {
    "h": 227.919,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48732,
    "c": 0.18801,
    "h": 267.8
  },
  "luminance": 0.10759
}

Semantic roles & 50–950 ramp

primary

#3351C8

secondary

#CEC089

accent

#C345E3

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3351C8

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

Preview Lab → · Contrast checker → · Palette generator →