#4351D9#4351D9

#4351D9 is a mid, highly saturated blue. Relative luminance 0.121; OKLCH L 51.0% C 0.206 H 272.2°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#4351D9
RGB	rgb(67, 81, 217)
HSL	hsl(234, 66%, 56%)
HSV	hsv(234, 69%, 85%)
CMYK	cmyk(69.1%, 62.7%, 0%, 14.9%)
CIE-LAB	lab(41.35, 38.73, -71.25)
CIE-LCH	lch(41.35, 81.10, 298.53°)
OKLab	oklab(50.99% 0.008 -0.2057)
OKLCH	oklch(50.99% 0.206 272.2)
XYZ	xyz(17.7773, 12.0862, 67.0282)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351D9 #D9CB43

analogous

#439CD9 #4351D9 #8043D9

triadic

#4351D9 #D94351 #51D943

tetradic

#4351D9 #D9439C #D9CB43 #43D980

square

#4351D9 #D9439C #D9CB43 #43D980

split-complementary

#4351D9 #D98043 #9CD943

monochromatic

#1B2586 #2533B9 #4351D9 #7680E3 #A9AFEE

Accessibility & contrast

On white

6.14

#4351D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4351D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351D9

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351D9	#FFFFFF	#000000	##FFFFFF
##4351D9	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DD

Deuteranopia (green-blind)

#005BD6

Tritanopia (blue-blind)

#00748D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4351d9;
/* rgb */ color: rgb(67, 81, 217);
/* oklch */ color: oklch(51.0% 0.206 272.2);

Tailwind

colors: {
  custom: {
    50: '#8a82e6',
    500: '#4351d9',
    950: '#000000',
  },
}

SCSS

$custom: #4351d9;
$custom-light: #8a82e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4351d9",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 217
  },
  "hsl": {
    "h": 234.4,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.50993,
    "c": 0.20585,
    "h": 272.2
  },
  "luminance": 0.12088
}

Semantic roles & 50–950 ramp

primary

#4351D9

secondary

#DBD59D

accent

#D93FE9

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4351D9

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

Preview Lab → · Contrast checker → · Palette generator →