#4E578F#4E578F

#4E578F is a mid, moderate blue. Relative luminance 0.104; OKLCH L 47.5% C 0.091 H 275.5°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4E578F
RGB	rgb(78, 87, 143)
HSL	hsl(232, 29%, 43%)
HSV	hsv(232, 45%, 56%)
CMYK	cmyk(45.5%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(38.58, 12.07, -32.14)
CIE-LCH	lch(38.58, 34.33, 290.59°)
OKLab	oklab(47.5% 0.0087 -0.0905)
OKLCH	oklch(47.5% 0.091 275.5)
XYZ	xyz(11.5065, 10.4187, 27.3860)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E578F #8F864E

analogous

#4E778F #4E578F #654E8F

triadic

#4E578F #8F4E57 #578F4E

tetradic

#4E578F #8F4E77 #8F864E #4E8F65

square

#4E578F #8F4E77 #8F864E #4E8F65

split-complementary

#4E578F #8F654E #778F4E

monochromatic

#232740 #383F67 #4E578F #6C75AF #939AC4

Accessibility & contrast

On white

6.81

#4E578F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4E578F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E578F

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E578F	#FFFFFF	#000000	##FFFFFF
##4E578F	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435E91

Deuteranopia (green-blind)

#3D588E

Tritanopia (blue-blind)

#38626C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4e578f;
/* rgb */ color: rgb(78, 87, 143);
/* oklch */ color: oklch(47.5% 0.091 275.5);

Tailwind

colors: {
  custom: {
    50: '#8386b0',
    500: '#4e578f',
    950: '#000000',
  },
}

SCSS

$custom: #4e578f;
$custom-light: #8386b0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e578f",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 231.692,
    "s": 29.412,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47503,
    "c": 0.09095,
    "h": 275.5
  },
  "luminance": 0.10419
}

Semantic roles & 50–950 ramp

primary

#4E578F

secondary

#B1AB88

accent

#B862C6

background

#F8F8FA

surface

#EFEFF5

border

#CACACF

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #4E578F

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

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