#4F87BB#4F87BB

#4F87BB is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.7% C 0.099 H 248.1°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4F87BB
RGB	rgb(79, 135, 187)
HSL	hsl(209, 44%, 52%)
HSV	hsv(209, 58%, 73%)
CMYK	cmyk(57.8%, 27.8%, 0%, 26.7%)
CIE-LAB	lab(54.63, -2.88, -32.79)
CIE-LCH	lch(54.63, 32.91, 264.98°)
OKLab	oklab(60.72% -0.0371 -0.0921)
OKLCH	oklch(60.72% 0.099 248.1)
XYZ	xyz(20.8548, 22.5762, 50.2627)
Luminance	0.2258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87BB #BB834F

analogous

#4FBBB9 #4F87BB #4F51BB

triadic

#4F87BB #BB4F87 #87BB4F

tetradic

#4F87BB #B94FBB #BB834F #51BB4F

square

#4F87BB #B94FBB #BB834F #51BB4F

split-complementary

#4F87BB #BB4F51 #BBB94F

monochromatic

#284968 #396894 #4F87BB #7BA5CC #A7C3DD

Accessibility & contrast

On white

3.81

#4F87BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4F87BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87BB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87BB	#FFFFFF	#000000	##000000
##4F87BB	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BD

Deuteranopia (green-blind)

#637EBA

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4f87bb;
/* rgb */ color: rgb(79, 135, 187);
/* oklch */ color: oklch(60.7% 0.099 248.1);

Tailwind

colors: {
  custom: {
    50: '#89a9cf',
    500: '#4f87bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f87bb;
$custom-light: #89a9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87bb",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 208.889,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.60718,
    "c": 0.09932,
    "h": 248.1
  },
  "luminance": 0.22578
}

Semantic roles & 50–950 ramp

primary

#4F87BB

secondary

#CAB29B

accent

#9254D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4F87BB

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

Preview Lab → · Contrast checker → · Palette generator →