#4F87BC#4F87BC

#4F87BC is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.8% C 0.101 H 248.6°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4F87BC
RGB	rgb(79, 135, 188)
HSL	hsl(209, 45%, 52%)
HSV	hsv(209, 58%, 74%)
CMYK	cmyk(58%, 28.2%, 0%, 26.3%)
CIE-LAB	lab(54.68, -2.56, -33.29)
CIE-LCH	lch(54.68, 33.39, 265.61°)
OKLab	oklab(60.77% -0.0368 -0.0936)
OKLCH	oklch(60.77% 0.101 248.6)
XYZ	xyz(20.9622, 22.6192, 50.8285)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87BC #BC844F

analogous

#4FBCBA #4F87BC #4F51BC

triadic

#4F87BC #BC4F87 #87BC4F

tetradic

#4F87BC #BA4FBC #BC844F #51BC4F

square

#4F87BC #BA4FBC #BC844F #51BC4F

split-complementary

#4F87BC #BC4F51 #BCBA4F

monochromatic

#284969 #396895 #4F87BC #7BA5CD #A8C3DE

Accessibility & contrast

On white

3.80

#4F87BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4F87BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87BC

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87BC	#FFFFFF	#000000	##000000
##4F87BC	1.00	3.80	5.52	5.52
#FFFFFF	3.80	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)

#7189BE

Deuteranopia (green-blind)

#627EBB

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4f87bc;
/* rgb */ color: rgb(79, 135, 188);
/* oklch */ color: oklch(60.8% 0.101 248.6);

Tailwind

colors: {
  custom: {
    50: '#89a9d0',
    500: '#4f87bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f87bc;
$custom-light: #89a9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87bc",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 188
  },
  "hsl": {
    "h": 209.174,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.60768,
    "c": 0.10055,
    "h": 248.6
  },
  "luminance": 0.22621
}

Semantic roles & 50–950 ramp

primary

#4F87BC

secondary

#CBB39C

accent

#9253D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4F87BC

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

Preview Lab → · Contrast checker → · Palette generator →