#4357AC#4357AC

#4357AC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.137 H 270.6°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4357AC
RGB	rgb(67, 87, 172)
HSL	hsl(229, 44%, 47%)
HSV	hsv(229, 61%, 67%)
CMYK	cmyk(61%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(39.56, 19.23, -47.98)
CIE-LCH	lch(39.56, 51.69, 291.84°)
OKLab	oklab(48.61% 0.0014 -0.1372)
OKLCH	oklch(48.61% 0.137 270.6)
XYZ	xyz(13.1668, 10.9872, 40.4486)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357AC #AC9843

analogous

#438CAC #4357AC #6343AC

triadic

#4357AC #AC4357 #57AC43

tetradic

#4357AC #AC438C #AC9843 #43AC63

square

#4357AC #AC438C #AC9843 #43AC63

split-complementary

#4357AC #AC6343 #8CAC43

monochromatic

#212A54 #324180 #4357AC #687AC4 #94A0D5

Accessibility & contrast

On white

6.57

#4357AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4357AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357AC

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357AC	#FFFFFF	#000000	##FFFFFF
##4357AC	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B62AF

Deuteranopia (green-blind)

#1759AA

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4357ac;
/* rgb */ color: rgb(67, 87, 172);
/* oklch */ color: oklch(48.6% 0.137 270.6);

Tailwind

colors: {
  custom: {
    50: '#8186c5',
    500: '#4357ac',
    950: '#000000',
  },
}

SCSS

$custom: #4357ac;
$custom-light: #8186c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4357ac",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 228.571,
    "s": 43.933,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4861,
    "c": 0.13724,
    "h": 270.6
  },
  "luminance": 0.10988
}

Semantic roles & 50–950 ramp

primary

#4357AC

secondary

#C1B68A

accent

#BB54D4

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4357AC

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

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