#4F87CC#4F87CC

#4F87CC is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.6% C 0.121 H 254.6°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4F87CC
RGB	rgb(79, 135, 204)
HSL	hsl(213, 55%, 55%)
HSV	hsv(213, 61%, 80%)
CMYK	cmyk(61.3%, 33.8%, 0%, 20%)
CIE-LAB	lab(55.43, 2.72, -41.20)
CIE-LCH	lch(55.43, 41.29, 273.77°)
OKLab	oklab(61.6% -0.0321 -0.1166)
OKLCH	oklch(61.6% 0.121 254.6)
XYZ	xyz(22.7836, 23.3477, 60.4209)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87CC #CC944F

analogous

#4FC5CC #4F87CC #554FCC

triadic

#4F87CC #CC4F87 #87CC4F

tetradic

#4F87CC #CC4FC5 #CC944F #4FCC55

square

#4F87CC #CC4FC5 #CC944F #4FCC55

split-complementary

#4F87CC #CC554F #C5CC4F

monochromatic

#244C7D #3269AC #4F87CC #7EA7DA #AEC8E7

Accessibility & contrast

On white

3.70

#4F87CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4F87CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87CC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87CC	#FFFFFF	#000000	##000000
##4F87CC	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8BCF

Deuteranopia (green-blind)

#597FCB

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4f87cc;
/* rgb */ color: rgb(79, 135, 204);
/* oklch */ color: oklch(61.6% 0.121 254.6);

Tailwind

colors: {
  custom: {
    50: '#8ba9dc',
    500: '#4f87cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f87cc;
$custom-light: #8ba9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87cc",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 204
  },
  "hsl": {
    "h": 213.12,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61603,
    "c": 0.12091,
    "h": 254.6
  },
  "luminance": 0.2335
}

Semantic roles & 50–950 ramp

primary

#4F87CC

secondary

#D5BEA1

accent

#9C49DE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4F87CC

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

Preview Lab → · Contrast checker → · Palette generator →