#4351D1#4351D1

#4351D1 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.196 H 272.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4351D1
RGB	rgb(67, 81, 209)
HSL	hsl(234, 61%, 54%)
HSV	hsv(234, 68%, 82%)
CMYK	cmyk(67.9%, 61.2%, 0%, 18%)
CIE-LAB	lab(40.70, 35.98, -67.72)
CIE-LCH	lch(40.70, 76.69, 297.98°)
OKLab	oklab(50.31% 0.0083 -0.1953)
OKLCH	oklch(50.31% 0.196 272.4)
XYZ	xyz(16.7619, 11.6800, 61.6804)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351D1 #D1C343

analogous

#4398D1 #4351D1 #7C43D1

triadic

#4351D1 #D14351 #51D143

tetradic

#4351D1 #D14398 #D1C343 #43D17C

square

#4351D1 #D14398 #D1C343 #43D17C

split-complementary

#4351D1 #D17C43 #98D143

monochromatic

#1E277B #2A37AD #4351D1 #747FDD #A5ACE9

Accessibility & contrast

On white

6.29

#4351D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4351D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351D1

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351D1	#FFFFFF	#000000	##FFFFFF
##4351D1	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D5

Deuteranopia (green-blind)

#005ACF

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4351d1;
/* rgb */ color: rgb(67, 81, 209);
/* oklch */ color: oklch(50.3% 0.196 272.4);

Tailwind

colors: {
  custom: {
    50: '#8882e0',
    500: '#4351d1',
    950: '#000000',
  },
}

SCSS

$custom: #4351d1;
$custom-light: #8882e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4351d1",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 209
  },
  "hsl": {
    "h": 234.085,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50314,
    "c": 0.19552,
    "h": 272.4
  },
  "luminance": 0.11682
}

Semantic roles & 50–950 ramp

primary

#4351D1

secondary

#D6D09A

accent

#D444E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4351D1

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

Preview Lab → · Contrast checker → · Palette generator →