#4C558B#4C558B

#4C558B is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.7% C 0.088 H 275.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4C558B
RGB	rgb(76, 85, 139)
HSL	hsl(231, 29%, 42%)
HSV	hsv(231, 45%, 55%)
CMYK	cmyk(45.3%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(37.66, 11.55, -31.18)
CIE-LCH	lch(37.66, 33.25, 290.33°)
OKLab	oklab(46.68% 0.0081 -0.0878)
OKLCH	oklch(46.68% 0.088 275.3)
XYZ	xyz(10.8878, 9.8970, 25.7577)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C558B #8B824C

analogous

#4C748B #4C558B #634C8B

triadic

#4C558B #8B4C55 #558B4C

tetradic

#4C558B #8B4C74 #8B824C #4C8B63

square

#4C558B #8B4C74 #8B824C #4C8B63

split-complementary

#4C558B #8B634C #748B4C

monochromatic

#21253C #363D63 #4C558B #6872AC #8F97C2

Accessibility & contrast

On white

7.05

#4C558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4C558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C558B

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C558B	#FFFFFF	#000000	##FFFFFF
##4C558B	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425B8D

Deuteranopia (green-blind)

#3C568A

Tritanopia (blue-blind)

#376069

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4c558b;
/* rgb */ color: rgb(76, 85, 139);
/* oklch */ color: oklch(46.7% 0.088 275.3);

Tailwind

colors: {
  custom: {
    50: '#8184ad',
    500: '#4c558b',
    950: '#000000',
  },
}

SCSS

$custom: #4c558b;
$custom-light: #8184ad;
$custom-dark: #000000;

JSON

{
  "hex": "#4c558b",
  "rgb": {
    "r": 76,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 231.429,
    "s": 29.302,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46684,
    "c": 0.08818,
    "h": 275.3
  },
  "luminance": 0.09898
}

Semantic roles & 50–950 ramp

primary

#4C558B

secondary

#AEA885

accent

#B762C6

background

#F8F8FA

surface

#EFEFF4

border

#CACACE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #4C558B

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

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