#4E87B3#4E87B3

#4E87B3 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.090 H 243.4°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4E87B3
RGB	rgb(78, 135, 179)
HSL	hsl(206, 40%, 50%)
HSV	hsv(206, 56%, 70%)
CMYK	cmyk(56.4%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(54.24, -5.66, -28.83)
CIE-LCH	lch(54.24, 29.38, 258.89°)
OKLab	oklab(60.28% -0.0405 -0.0807)
OKLCH	oklch(60.28% 0.09 243.4)
XYZ	xyz(19.9396, 22.2006, 45.8735)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E87B3 #B37A4E

analogous

#4EB3AD #4E87B3 #4E54B3

triadic

#4E87B3 #B34E87 #87B34E

tetradic

#4E87B3 #AD4EB3 #B37A4E #54B34E

square

#4E87B3 #AD4EB3 #B37A4E #54B34E

split-complementary

#4E87B3 #B34E54 #B3AD4E

monochromatic

#28475E #3B6789 #4E87B3 #79A4C5 #A4C1D8

Accessibility & contrast

On white

3.86

#4E87B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#4E87B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E87B3

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E87B3	#FFFFFF	#000000	##000000
##4E87B3	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B5

Deuteranopia (green-blind)

#667DB2

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4e87b3;
/* rgb */ color: rgb(78, 135, 179);
/* oklch */ color: oklch(60.3% 0.090 243.4);

Tailwind

colors: {
  custom: {
    50: '#87a9ca',
    500: '#4e87b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e87b3;
$custom-light: #87a9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e87b3",
  "rgb": {
    "r": 78,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 206.139,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.6028,
    "c": 0.09032,
    "h": 243.4
  },
  "luminance": 0.22202
}

Semantic roles & 50–950 ramp

primary

#4E87B3

secondary

#C5AC98

accent

#8C58D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4E87B3

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

Preview Lab → · Contrast checker → · Palette generator →