#4B80CB#4B80CB

#4B80CB is a mid, vivid blue. Relative luminance 0.212; OKLCH L 59.8% C 0.128 H 257.3°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B80CB
RGB	rgb(75, 128, 203)
HSL	hsl(215, 55%, 55%)
HSV	hsv(215, 63%, 80%)
CMYK	cmyk(63.1%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(53.22, 5.82, -44.14)
CIE-LCH	lch(53.22, 44.52, 277.51°)
OKLab	oklab(59.81% -0.0283 -0.1253)
OKLCH	oklch(59.81% 0.128 257.3)
XYZ	xyz(21.3965, 21.2440, 59.4612)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B80CB #CB964B

analogous

#4BC0CB #4B80CB #564BCB

triadic

#4B80CB #CB4B80 #80CB4B

tetradic

#4B80CB #CB4BC0 #CB964B #4BCB56

square

#4B80CB #CB4BC0 #CB964B #4BCB56

split-complementary

#4B80CB #CB564B #C0CB4B

monochromatic

#234679 #3162A8 #4B80CB #7AA2D9 #AAC3E6

Accessibility & contrast

On white

4.00

#4B80CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#4B80CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B80CB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B80CB	#FFFFFF	#000000	##000000
##4B80CB	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F86CE

Deuteranopia (green-blind)

#4E7AC9

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4b80cb;
/* rgb */ color: rgb(75, 128, 203);
/* oklch */ color: oklch(59.8% 0.128 257.3);

Tailwind

colors: {
  custom: {
    50: '#89a4db',
    500: '#4b80cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b80cb;
$custom-light: #89a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b80cb",
  "rgb": {
    "r": 75,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 215.156,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59812,
    "c": 0.12844,
    "h": 257.3
  },
  "luminance": 0.21246
}

Semantic roles & 50–950 ramp

primary

#4B80CB

secondary

#D4BE9E

accent

#A149DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4B80CB

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

Preview Lab → · Contrast checker → · Palette generator →