#4357BE#4357BE

#4357BE is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.163 H 271.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4357BE
RGB	rgb(67, 87, 190)
HSL	hsl(230, 49%, 50%)
HSV	hsv(230, 65%, 75%)
CMYK	cmyk(64.7%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.78, 25.56, -56.59)
CIE-LCH	lch(40.78, 62.09, 294.30°)
OKLab	oklab(49.92% 0.003 -0.1626)
OKLCH	oklch(49.92% 0.163 271.1)
XYZ	xyz(15.0141, 11.7261, 50.1773)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357BE #BEAA43

analogous

#4394BE #4357BE #6C43BE

triadic

#4357BE #BE4357 #57BE43

tetradic

#4357BE #BE4394 #BEAA43 #43BE6C

square

#4357BE #BE4394 #BEAA43 #43BE6C

split-complementary

#4357BE #BE6C43 #94BE43

monochromatic

#232D64 #324291 #4357BE #7080CE #9EA8DD

Accessibility & contrast

On white

6.28

#4357BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4357BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357BE

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357BE	#FFFFFF	#000000	##FFFFFF
##4357BE	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B66C2

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4357be;
/* rgb */ color: rgb(67, 87, 190);
/* oklch */ color: oklch(49.9% 0.163 271.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4357be",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 230.244,
    "s": 48.617,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49919,
    "c": 0.16259,
    "h": 271.1
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#4357BE

secondary

#CAC193

accent

#C250D8

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4357BE

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

Preview Lab → · Contrast checker → · Palette generator →