#4351B7#4351B7

#4351B7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.2% C 0.161 H 272.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4351B7
RGB	rgb(67, 81, 183)
HSL	hsl(233, 46%, 49%)
HSV	hsv(233, 63%, 72%)
CMYK	cmyk(63.4%, 55.7%, 0%, 28.2%)
CIE-LAB	lab(38.72, 26.95, -55.83)
CIE-LCH	lch(38.72, 61.99, 295.77°)
OKLab	oklab(48.22% 0.0083 -0.1604)
OKLCH	oklch(48.22% 0.161 272.9)
XYZ	xyz(13.8016, 10.4959, 46.0892)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351B7 #B7A943

analogous

#438BB7 #4351B7 #6F43B7

triadic

#4351B7 #B74351 #51B743

tetradic

#4351B7 #B7438B #B7A943 #43B76F

square

#4351B7 #B7438B #B7A943 #43B76F

split-complementary

#4351B7 #B76F43 #8BB743

monochromatic

#22295D #333D8A #4351B7 #6D79CA #9AA2DA

Accessibility & contrast

On white

6.78

#4351B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4351B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351B7

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351B7	#FFFFFF	#000000	##FFFFFF
##4351B7	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BB

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4351b7;
/* rgb */ color: rgb(67, 81, 183);
/* oklch */ color: oklch(48.2% 0.161 272.9);

Tailwind

colors: {
  custom: {
    50: '#8381cd',
    500: '#4351b7',
    950: '#000000',
  },
}

SCSS

$custom: #4351b7;
$custom-light: #8381cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4351b7",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 183
  },
  "hsl": {
    "h": 232.759,
    "s": 46.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48217,
    "c": 0.16059,
    "h": 272.9
  },
  "luminance": 0.10497
}

Semantic roles & 50–950 ramp

primary

#4351B7

secondary

#C6C090

accent

#C652D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4351B7

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

Preview Lab → · Contrast checker → · Palette generator →