#4351CF#4351CF

#4351CF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.193 H 272.5°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#4351CF
RGB	rgb(67, 81, 207)
HSL	hsl(234, 59%, 54%)
HSV	hsv(234, 68%, 81%)
CMYK	cmyk(67.6%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(40.54, 35.29, -66.83)
CIE-LCH	lch(40.54, 75.58, 297.84°)
OKLab	oklab(50.15% 0.0084 -0.1927)
OKLCH	oklch(50.15% 0.193 272.5)
XYZ	xyz(16.5159, 11.5816, 60.3845)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351CF #CFC143

analogous

#4397CF #4351CF #7B43CF

triadic

#4351CF #CF4351 #51CF43

tetradic

#4351CF #CF4397 #CFC143 #43CF7B

square

#4351CF #CF4397 #CFC143 #43CF7B

split-complementary

#4351CF #CF7B43 #97CF43

monochromatic

#1F2879 #2B38AA #4351CF #747EDB #A5ABE8

Accessibility & contrast

On white

6.33

#4351CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4351CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351CF

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351CF	#FFFFFF	#000000	##FFFFFF
##4351CF	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#0059CD

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4351cf;
/* rgb */ color: rgb(67, 81, 207);
/* oklch */ color: oklch(50.1% 0.193 272.5);

Tailwind

colors: {
  custom: {
    50: '#8882df',
    500: '#4351cf',
    950: '#000000',
  },
}

SCSS

$custom: #4351cf;
$custom-light: #8882df;
$custom-dark: #000000;

JSON

{
  "hex": "#4351cf",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 234,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.50146,
    "c": 0.1929,
    "h": 272.5
  },
  "luminance": 0.11583
}

Semantic roles & 50–950 ramp

primary

#4351CF

secondary

#D5CF99

accent

#D345E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4351CF

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

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