#4F87DB#4F87DB

#4F87DB is a light, vivid blue. Relative luminance 0.241; OKLCH L 62.4% C 0.141 H 258.3°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4F87DB
RGB	rgb(79, 135, 219)
HSL	hsl(216, 66%, 58%)
HSV	hsv(216, 64%, 86%)
CMYK	cmyk(63.9%, 38.4%, 0%, 14.1%)
CIE-LAB	lab(56.19, 7.78, -48.44)
CIE-LCH	lch(56.19, 49.06, 279.12°)
OKLab	oklab(62.44% -0.0285 -0.1377)
OKLCH	oklch(62.44% 0.141 258.3)
XYZ	xyz(24.6700, 24.1023, 70.3562)
Luminance	0.2410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87DB #DBA34F

analogous

#4FCDDB #4F87DB #5D4FDB

triadic

#4F87DB #DB4F87 #87DB4F

tetradic

#4F87DB #DB4FCD #DBA34F #4FDB5D

square

#4F87DB #DB4FCD #DBA34F #4FDB5D

split-complementary

#4F87DB #DB5D4F #CDDB4F

monochromatic

#1E4C92 #2867C5 #4F87DB #82AAE5 #B5CCF0

Accessibility & contrast

On white

3.61

#4F87DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#4F87DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87DB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87DB	#FFFFFF	#000000	##000000
##4F87DB	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628EDE

Deuteranopia (green-blind)

#4E81D9

Tritanopia (blue-blind)

#009AA6

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4f87db;
/* rgb */ color: rgb(79, 135, 219);
/* oklch */ color: oklch(62.4% 0.141 258.3);

Tailwind

colors: {
  custom: {
    50: '#8da9e6',
    500: '#4f87db',
    950: '#000000',
  },
}

SCSS

$custom: #4f87db;
$custom-light: #8da9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87db",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 219
  },
  "hsl": {
    "h": 216,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.62445,
    "c": 0.14064,
    "h": 258.3
  },
  "luminance": 0.24105
}

Semantic roles & 50–950 ramp

primary

#4F87DB

secondary

#DFC8A7

accent

#A53FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F87DB

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

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