#4357BD#4357BD

#4357BD is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.8% C 0.161 H 271.0°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4357BD
RGB	rgb(67, 87, 189)
HSL	hsl(230, 48%, 50%)
HSV	hsv(230, 65%, 74%)
CMYK	cmyk(64.6%, 54%, 0%, 25.9%)
CIE-LAB	lab(40.71, 25.20, -56.12)
CIE-LCH	lch(40.71, 61.52, 294.19°)
OKLab	oklab(49.84% 0.003 -0.1612)
OKLCH	oklch(49.84% 0.161 271)
XYZ	xyz(14.9052, 11.6825, 49.6037)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357BD #BDA943

analogous

#4394BD #4357BD #6C43BD

triadic

#4357BD #BD4357 #57BD43

tetradic

#4357BD #BD4394 #BDA943 #43BD6C

square

#4357BD #BD4394 #BDA943 #43BD6C

split-complementary

#4357BD #BD6C43 #94BD43

monochromatic

#232D63 #334290 #4357BD #707FCD #9EA8DD

Accessibility & contrast

On white

6.29

#4357BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4357BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357BD

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357BD	#FFFFFF	#000000	##FFFFFF
##4357BD	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)

#0F66C1

Deuteranopia (green-blind)

#005BBB

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4357bd;
/* rgb */ color: rgb(67, 87, 189);
/* oklch */ color: oklch(49.8% 0.161 271.0);

Tailwind

colors: {
  custom: {
    50: '#8486d2',
    500: '#4357bd',
    950: '#000000',
  },
}

SCSS

$custom: #4357bd;
$custom-light: #8486d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4357bd",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 230.164,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49844,
    "c": 0.1612,
    "h": 271
  },
  "luminance": 0.11684
}

Semantic roles & 50–950 ramp

primary

#4357BD

secondary

#C9C093

accent

#C150D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4357BD

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

Preview Lab → · Contrast checker → · Palette generator →