#4351BF#4351BF

#4351BF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.172 H 272.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4351BF
RGB	rgb(67, 81, 191)
HSL	hsl(233, 49%, 51%)
HSV	hsv(233, 65%, 75%)
CMYK	cmyk(64.9%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(39.31, 29.74, -59.56)
CIE-LCH	lch(39.31, 66.57, 296.53°)
OKLab	oklab(48.84% 0.0085 -0.1714)
OKLCH	oklch(48.84% 0.172 272.8)
XYZ	xyz(14.6580, 10.8385, 50.5997)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351BF #BFB143

analogous

#438FBF #4351BF #7343BF

triadic

#4351BF #BF4351 #51BF43

tetradic

#4351BF #BF438F #BFB143 #43BF73

square

#4351BF #BF438F #BFB143 #43BF73

split-complementary

#4351BF #BF7343 #8FBF43

monochromatic

#222A65 #323D93 #4351BF #717BCF #9EA6DE

Accessibility & contrast

On white

6.63

#4351BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4351BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351BF

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351BF	#FFFFFF	#000000	##FFFFFF
##4351BF	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4351bf;
/* rgb */ color: rgb(67, 81, 191);
/* oklch */ color: oklch(48.8% 0.172 272.8);

Tailwind

colors: {
  custom: {
    50: '#8581d3',
    500: '#4351bf',
    950: '#000000',
  },
}

SCSS

$custom: #4351bf;
$custom-light: #8581d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4351bf",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 233.226,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48842,
    "c": 0.17157,
    "h": 272.8
  },
  "luminance": 0.1084
}

Semantic roles & 50–950 ramp

primary

#4351BF

secondary

#CAC493

accent

#C94FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4351BF

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

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