#4351B3#4351B3

#4351B3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.155 H 273.0°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4351B3
RGB	rgb(67, 81, 179)
HSL	hsl(233, 46%, 48%)
HSV	hsv(233, 63%, 70%)
CMYK	cmyk(62.6%, 54.7%, 0%, 29.8%)
CIE-LAB	lab(38.43, 25.56, -53.94)
CIE-LCH	lch(38.43, 59.68, 295.35°)
OKLab	oklab(47.91% 0.0081 -0.1548)
OKLCH	oklch(47.91% 0.155 273)
XYZ	xyz(13.3912, 10.3317, 43.9276)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351B3 #B3A543

analogous

#4389B3 #4351B3 #6D43B3

triadic

#4351B3 #B34351 #51B343

tetradic

#4351B3 #B34389 #B3A543 #43B36D

square

#4351B3 #B34389 #B3A543 #43B36D

split-complementary

#4351B3 #B36D43 #89B343

monochromatic

#22295A #323D86 #4351B3 #6B77C8 #98A0D8

Accessibility & contrast

On white

6.85

#4351B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4351B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351B3

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351B3	#FFFFFF	#000000	##FFFFFF
##4351B3	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0960B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4351b3;
/* rgb */ color: rgb(67, 81, 179);
/* oklch */ color: oklch(47.9% 0.155 273.0);

Tailwind

colors: {
  custom: {
    50: '#8281ca',
    500: '#4351b3',
    950: '#000000',
  },
}

SCSS

$custom: #4351b3;
$custom-light: #8281ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4351b3",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 179
  },
  "hsl": {
    "h": 232.5,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47911,
    "c": 0.15503,
    "h": 273
  },
  "luminance": 0.10333
}

Semantic roles & 50–950 ramp

primary

#4351B3

secondary

#C4BD8D

accent

#C553D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4351B3

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

Preview Lab → · Contrast checker → · Palette generator →