#4B8BCD#4B8BCD

#4B8BCD is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.4% C 0.120 H 251.0°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4B8BCD
RGB	rgb(75, 139, 205)
HSL	hsl(210, 57%, 55%)
HSV	hsv(210, 63%, 80%)
CMYK	cmyk(63.4%, 32.2%, 0%, 19.6%)
CIE-LAB	lab(56.45, -0.05, -40.16)
CIE-LCH	lch(56.45, 40.16, 269.94°)
OKLab	oklab(62.38% -0.0392 -0.1136)
OKLCH	oklch(62.38% 0.12 251)
XYZ	xyz(23.1497, 24.3666, 61.2290)
Luminance	0.2437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8BCD #CD8D4B

analogous

#4BCCCD #4B8BCD #4C4BCD

triadic

#4B8BCD #CD4B8B #8BCD4B

tetradic

#4B8BCD #CD4BCC #CD8D4B #4BCD4C

square

#4B8BCD #CD4BCC #CD8D4B #4BCD4C

split-complementary

#4B8BCD #CD4C4B #CCCD4B

monochromatic

#224E7B #306CAB #4B8BCD #7BAADA #ABC9E8

Accessibility & contrast

On white

3.58

#4B8BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#4B8BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BCD

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8BCD	#FFFFFF	#000000	##000000
##4B8BCD	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8ED0

Deuteranopia (green-blind)

#5D82CC

Tritanopia (blue-blind)

#009AA3

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4b8bcd;
/* rgb */ color: rgb(75, 139, 205);
/* oklch */ color: oklch(62.4% 0.120 251.0);

Tailwind

colors: {
  custom: {
    50: '#89acdc',
    500: '#4b8bcd',
    950: '#000000',
  },
}

SCSS

$custom: #4b8bcd;
$custom-light: #89acdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8bcd",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 205
  },
  "hsl": {
    "h": 210.462,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62375,
    "c": 0.12013,
    "h": 251
  },
  "luminance": 0.24369
}

Semantic roles & 50–950 ramp

primary

#4B8BCD

secondary

#D5BA9F

accent

#9548E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4B8BCD

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

Preview Lab → · Contrast checker → · Palette generator →