#4B87DF#4B87DF

#4B87DF is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.5% C 0.147 H 258.0°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#4B87DF
RGB	rgb(75, 135, 223)
HSL	hsl(216, 70%, 58%)
HSV	hsv(216, 66%, 87%)
CMYK	cmyk(66.4%, 39.5%, 0%, 12.5%)
CIE-LAB	lab(56.24, 8.48, -50.62)
CIE-LCH	lch(56.24, 51.32, 279.51°)
OKLab	oklab(62.51% -0.0307 -0.1442)
OKLCH	oklch(62.51% 0.147 258)
XYZ	xyz(24.8801, 24.1490, 73.1478)
Luminance	0.2415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B87DF #DFA34B

analogous

#4BD1DF #4B87DF #594BDF

triadic

#4B87DF #DF4B87 #87DF4B

tetradic

#4B87DF #DF4BD1 #DFA34B #4BDF59

square

#4B87DF #DF4BD1 #DFA34B #4BDF59

split-complementary

#4B87DF #DF594B #D1DF4B

monochromatic

#1B4C95 #2467C9 #4B87DF #7FAAE8 #B3CCF1

Accessibility & contrast

On white

3.60

#4B87DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#4B87DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B87DF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B87DF	#FFFFFF	#000000	##000000
##4B87DF	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8EE3

Deuteranopia (green-blind)

#4980DD

Tritanopia (blue-blind)

#009BA8

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4b87df;
/* rgb */ color: rgb(75, 135, 223);
/* oklch */ color: oklch(62.5% 0.147 258.0);

Tailwind

colors: {
  custom: {
    50: '#8ca9e9',
    500: '#4b87df',
    950: '#000000',
  },
}

SCSS

$custom: #4b87df;
$custom-light: #8ca9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b87df",
  "rgb": {
    "r": 75,
    "g": 135,
    "b": 223
  },
  "hsl": {
    "h": 215.676,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.62505,
    "c": 0.1474,
    "h": 258
  },
  "luminance": 0.24152
}

Semantic roles & 50–950 ramp

primary

#4B87DF

secondary

#E0C8A6

accent

#A53BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B87DF

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

Preview Lab → · Contrast checker → · Palette generator →