#4F87B3#4F87B3

#4F87B3 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.090 H 243.8°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4F87B3
RGB	rgb(79, 135, 179)
HSL	hsl(206, 40%, 51%)
HSV	hsv(206, 56%, 70%)
CMYK	cmyk(55.9%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(54.28, -5.44, -28.76)
CIE-LCH	lch(54.28, 29.27, 259.28°)
OKLab	oklab(60.33% -0.0397 -0.0805)
OKLCH	oklch(60.33% 0.09 243.8)
XYZ	xyz(20.0222, 22.2432, 45.8773)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87B3 #B37B4F

analogous

#4FB3AD #4F87B3 #4F55B3

triadic

#4F87B3 #B34F87 #87B34F

tetradic

#4F87B3 #AD4FB3 #B37B4F #55B34F

square

#4F87B3 #AD4FB3 #B37B4F #55B34F

split-complementary

#4F87B3 #B34F55 #B3AD4F

monochromatic

#29475F #3B6789 #4F87B3 #7AA4C5 #A4C1D8

Accessibility & contrast

On white

3.85

#4F87B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#4F87B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87B3

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87B3	#FFFFFF	#000000	##000000
##4F87B3	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B5

Deuteranopia (green-blind)

#677DB2

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4f87b3;
/* rgb */ color: rgb(79, 135, 179);
/* oklch */ color: oklch(60.3% 0.090 243.8);

Tailwind

colors: {
  custom: {
    50: '#88a9ca',
    500: '#4f87b3',
    950: '#000000',
  },
}

SCSS

$custom: #4f87b3;
$custom-light: #88a9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87b3",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 206.4,
    "s": 39.683,
    "l": 50.588
  },
  "oklch": {
    "l": 0.60328,
    "c": 0.08976,
    "h": 243.8
  },
  "luminance": 0.22245
}

Semantic roles & 50–950 ramp

primary

#4F87B3

secondary

#C5AC99

accent

#8D58D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4F87B3

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

Preview Lab → · Contrast checker → · Palette generator →