#4351BC#4351BC

#4351BC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.167 H 272.9°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4351BC
RGB	rgb(67, 81, 188)
HSL	hsl(233, 47%, 50%)
HSV	hsv(233, 64%, 74%)
CMYK	cmyk(64.4%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(39.08, 28.69, -58.17)
CIE-LCH	lch(39.08, 64.86, 296.26°)
OKLab	oklab(48.61% 0.0084 -0.1673)
OKLCH	oklch(48.61% 0.167 272.9)
XYZ	xyz(14.3312, 10.7077, 48.8788)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351BC #BCAE43

analogous

#438DBC #4351BC #7243BC

triadic

#4351BC #BC4351 #51BC43

tetradic

#4351BC #BC438D #BCAE43 #43BC72

square

#4351BC #BC438D #BCAE43 #43BC72

split-complementary

#4351BC #BC7243 #8DBC43

monochromatic

#232A62 #333E8F #4351BC #707BCC #9DA5DC

Accessibility & contrast

On white

6.68

#4351BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4351BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351BC

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351BC	#FFFFFF	#000000	##FFFFFF
##4351BC	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4351bc;
/* rgb */ color: rgb(67, 81, 188);
/* oklch */ color: oklch(48.6% 0.167 272.9);

Tailwind

colors: {
  custom: {
    50: '#8481d1',
    500: '#4351bc',
    950: '#000000',
  },
}

SCSS

$custom: #4351bc;
$custom-light: #8481d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4351bc",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 233.058,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.48606,
    "c": 0.16747,
    "h": 272.9
  },
  "luminance": 0.10709
}

Semantic roles & 50–950 ramp

primary

#4351BC

secondary

#C9C292

accent

#C851D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4351BC

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

Preview Lab → · Contrast checker → · Palette generator →