#4351D7#4351D7

#4351D7 is a mid, highly saturated blue. Relative luminance 0.120; OKLCH L 50.8% C 0.203 H 272.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4351D7
RGB	rgb(67, 81, 215)
HSL	hsl(234, 65%, 55%)
HSV	hsv(234, 69%, 84%)
CMYK	cmyk(68.8%, 62.3%, 0%, 15.7%)
CIE-LAB	lab(41.19, 38.05, -70.37)
CIE-LCH	lch(41.19, 80.00, 298.40°)
OKLab	oklab(50.82% 0.0081 -0.2031)
OKLCH	oklch(50.82% 0.203 272.3)
XYZ	xyz(17.5188, 11.9828, 65.6665)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351D7 #D7C943

analogous

#439BD7 #4351D7 #7F43D7

triadic

#4351D7 #D74351 #51D743

tetradic

#4351D7 #D7439B #D7C943 #43D77F

square

#4351D7 #D7439B #D7C943 #43D77F

split-complementary

#4351D7 #D77F43 #9BD743

monochromatic

#1C2684 #2734B6 #4351D7 #7580E2 #A8AEEC

Accessibility & contrast

On white

6.18

#4351D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4351D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351D7

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351D7	#FFFFFF	#000000	##FFFFFF
##4351D7	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DB

Deuteranopia (green-blind)

#005AD4

Tritanopia (blue-blind)

#00738C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4351d7;
/* rgb */ color: rgb(67, 81, 215);
/* oklch */ color: oklch(50.8% 0.203 272.3);

Tailwind

colors: {
  custom: {
    50: '#8982e4',
    500: '#4351d7',
    950: '#000000',
  },
}

SCSS

$custom: #4351d7;
$custom-light: #8982e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4351d7",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 215
  },
  "hsl": {
    "h": 234.324,
    "s": 64.912,
    "l": 55.294
  },
  "oklch": {
    "l": 0.50822,
    "c": 0.20328,
    "h": 272.3
  },
  "luminance": 0.11984
}

Semantic roles & 50–950 ramp

primary

#4351D7

secondary

#DAD49C

accent

#D840E8

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4351D7

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

Preview Lab → · Contrast checker → · Palette generator →