#4357B2#4357B2

#4357B2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.146 H 270.8°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4357B2
RGB	rgb(67, 87, 178)
HSL	hsl(229, 45%, 48%)
HSV	hsv(229, 62%, 70%)
CMYK	cmyk(62.4%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(39.95, 21.34, -50.89)
CIE-LCH	lch(39.95, 55.18, 292.75°)
OKLab	oklab(49.04% 0.0021 -0.1458)
OKLCH	oklch(49.04% 0.146 270.8)
XYZ	xyz(13.7561, 11.2229, 43.5522)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357B2 #B29E43

analogous

#438EB2 #4357B2 #6643B2

triadic

#4357B2 #B24357 #57B243

tetradic

#4357B2 #B2438E #B29E43 #43B266

square

#4357B2 #B2438E #B29E43 #43B266

split-complementary

#4357B2 #B26643 #8EB243

monochromatic

#222C59 #324186 #4357B2 #6B7CC7 #97A3D8

Accessibility & contrast

On white

6.47

#4357B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4357B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357B2

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357B2	#FFFFFF	#000000	##FFFFFF
##4357B2	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2463B5

Deuteranopia (green-blind)

#0459B0

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4357b2;
/* rgb */ color: rgb(67, 87, 178);
/* oklch */ color: oklch(49.0% 0.146 270.8);

Tailwind

colors: {
  custom: {
    50: '#8286ca',
    500: '#4357b2',
    950: '#000000',
  },
}

SCSS

$custom: #4357b2;
$custom-light: #8286ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4357b2",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 229.189,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49035,
    "c": 0.14579,
    "h": 270.8
  },
  "luminance": 0.11224
}

Semantic roles & 50–950 ramp

primary

#4357B2

secondary

#C4BA8D

accent

#BE53D5

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4357B2

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

Preview Lab → · Contrast checker → · Palette generator →