#4351CB#4351CB

#4351CB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.8% C 0.188 H 272.6°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4351CB
RGB	rgb(67, 81, 203)
HSL	hsl(234, 57%, 53%)
HSV	hsv(234, 67%, 80%)
CMYK	cmyk(67%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(40.23, 33.91, -65.03)
CIE-LCH	lch(40.23, 73.34, 297.54°)
OKLab	oklab(49.81% 0.0084 -0.1874)
OKLCH	oklch(49.81% 0.188 272.6)
XYZ	xyz(16.0330, 11.3885, 57.8416)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4351CB #CBBD43

analogous

#4395CB #4351CB #7943CB

triadic

#4351CB #CB4351 #51CB43

tetradic

#4351CB #CB4395 #CBBD43 #43CB79

square

#4351CB #CB4395 #CBBD43 #43CB79

split-complementary

#4351CB #CB7943 #95CB43

monochromatic

#202974 #2D39A4 #4351CB #737DD8 #A3AAE6

Accessibility & contrast

On white

6.41

#4351CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4351CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4351CB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4351CB	#FFFFFF	#000000	##FFFFFF
##4351CB	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4351cb;
/* rgb */ color: rgb(67, 81, 203);
/* oklch */ color: oklch(49.8% 0.188 272.6);

Tailwind

colors: {
  custom: {
    50: '#8781dc',
    500: '#4351cb',
    950: '#000000',
  },
}

SCSS

$custom: #4351cb;
$custom-light: #8781dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4351cb",
  "rgb": {
    "r": 67,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 233.824,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49814,
    "c": 0.18764,
    "h": 272.6
  },
  "luminance": 0.1139
}

Semantic roles & 50–950 ramp

primary

#4351CB

secondary

#D2CC98

accent

#D048E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4351CB

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

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