#4357BA#4357BA

#4357BA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.157 H 271.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4357BA
RGB	rgb(67, 87, 186)
HSL	hsl(230, 47%, 50%)
HSV	hsv(230, 64%, 73%)
CMYK	cmyk(64%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(40.50, 24.15, -54.71)
CIE-LCH	lch(40.50, 59.80, 293.82°)
OKLab	oklab(49.62% 0.0028 -0.157)
OKLCH	oklch(49.62% 0.157 271)
XYZ	xyz(14.5829, 11.5536, 47.9064)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357BA #BAA643

analogous

#4393BA #4357BA #6B43BA

triadic

#4357BA #BA4357 #57BA43

tetradic

#4357BA #BA4393 #BAA643 #43BA6B

square

#4357BA #BA4393 #BAA643 #43BA6B

split-complementary

#4357BA #BA6B43 #93BA43

monochromatic

#232D60 #33428D #4357BA #6F7FCB #9CA7DB

Accessibility & contrast

On white

6.34

#4357BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4357BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357BA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357BA	#FFFFFF	#000000	##FFFFFF
##4357BA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BD

Deuteranopia (green-blind)

#005AB8

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4357ba;
/* rgb */ color: rgb(67, 87, 186);
/* oklch */ color: oklch(49.6% 0.157 271.0);

Tailwind

colors: {
  custom: {
    50: '#8386cf',
    500: '#4357ba',
    950: '#000000',
  },
}

SCSS

$custom: #4357ba;
$custom-light: #8386cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4357ba",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 229.916,
    "s": 47.036,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4962,
    "c": 0.15703,
    "h": 271
  },
  "luminance": 0.11555
}

Semantic roles & 50–950 ramp

primary

#4357BA

secondary

#C8BE91

accent

#C051D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4357BA

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

Preview Lab → · Contrast checker → · Palette generator →