#4C87EF#4C87EF

#4C87EF is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.5% C 0.168 H 260.8°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4C87EF
RGB	rgb(76, 135, 239)
HSL	hsl(218, 84%, 62%)
HSV	hsv(218, 68%, 94%)
CMYK	cmyk(68.2%, 43.5%, 0%, 6.3%)
CIE-LAB	lab(57.17, 14.20, -58.04)
CIE-LCH	lch(57.17, 59.76, 283.74°)
OKLab	oklab(63.52% -0.0268 -0.166)
OKLCH	oklch(63.52% 0.168 260.8)
XYZ	xyz(27.2189, 25.0937, 85.0537)
Luminance	0.2510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C87EF #EFB44C

analogous

#4CD9EF #4C87EF #634CEF

triadic

#4C87EF #EF4C87 #87EF4C

tetradic

#4C87EF #EF4CD9 #EFB44C #4CEF63

square

#4C87EF #EF4CD9 #EFB44C #4CEF63

split-complementary

#4C87EF #EF634C #D9EF4C

monochromatic

#104AB1 #1562E9 #4C87EF #84ADF4 #BCD2F9

Accessibility & contrast

On white

3.49

#4C87EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4C87EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C87EF

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C87EF	#FFFFFF	#000000	##000000
##4C87EF	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5491F3

Deuteranopia (green-blind)

#3782ED

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4c87ef;
/* rgb */ color: rgb(76, 135, 239);
/* oklch */ color: oklch(63.5% 0.168 260.8);

Tailwind

colors: {
  custom: {
    50: '#8fa9f5',
    500: '#4c87ef',
    950: '#000000',
  },
}

SCSS

$custom: #4c87ef;
$custom-light: #8fa9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c87ef",
  "rgb": {
    "r": 76,
    "g": 135,
    "b": 239
  },
  "hsl": {
    "h": 218.282,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.63524,
    "c": 0.16811,
    "h": 260.8
  },
  "luminance": 0.25096
}

Semantic roles & 50–950 ramp

primary

#4C87EF

secondary

#EAD4AD

accent

#9105E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4C87EF

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

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