#4C80CB#4C80CB

#4C80CB is a mid, vivid blue. Relative luminance 0.213; OKLCH L 59.9% C 0.128 H 257.6°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4C80CB
RGB	rgb(76, 128, 203)
HSL	hsl(215, 55%, 55%)
HSV	hsv(215, 63%, 80%)
CMYK	cmyk(62.6%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(53.26, 6.00, -44.07)
CIE-LCH	lch(53.26, 44.47, 277.76°)
OKLab	oklab(59.86% -0.0275 -0.1251)
OKLCH	oklch(59.86% 0.128 257.6)
XYZ	xyz(21.4753, 21.2846, 59.4649)
Luminance	0.2129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C80CB #CB974C

analogous

#4CBFCB #4C80CB #584CCB

triadic

#4C80CB #CB4C80 #80CB4C

tetradic

#4C80CB #CB4CBF #CB974C #4CCB58

square

#4C80CB #CB4CBF #CB974C #4CCB58

split-complementary

#4C80CB #CB584C #BFCB4C

monochromatic

#234779 #3162A9 #4C80CB #7BA2D9 #ABC3E7

Accessibility & contrast

On white

3.99

#4C80CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#4C80CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C80CB

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C80CB	#FFFFFF	#000000	##000000
##4C80CB	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CE

Deuteranopia (green-blind)

#4E7AC9

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4c80cb;
/* rgb */ color: rgb(76, 128, 203);
/* oklch */ color: oklch(59.9% 0.128 257.6);

Tailwind

colors: {
  custom: {
    50: '#89a4db',
    500: '#4c80cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c80cb;
$custom-light: #89a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#4c80cb",
  "rgb": {
    "r": 76,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 215.433,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59858,
    "c": 0.12804,
    "h": 257.6
  },
  "luminance": 0.21287
}

Semantic roles & 50–950 ramp

primary

#4C80CB

secondary

#D4BE9F

accent

#A149DE

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4C80CB

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

Preview Lab → · Contrast checker → · Palette generator →