#4B9EDB#4B9EDB

#4B9EDB is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.4% C 0.121 H 243.3°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4B9EDB
RGB	rgb(75, 158, 219)
HSL	hsl(205, 67%, 58%)
HSV	hsv(205, 66%, 86%)
CMYK	cmyk(65.8%, 27.9%, 0%, 14.1%)
CIE-LAB	lab(62.56, -6.28, -38.41)
CIE-LCH	lch(62.56, 38.92, 260.71°)
OKLab	oklab(67.4% -0.0545 -0.1083)
OKLCH	oklch(67.4% 0.121 243.3)
XYZ	xyz(27.9098, 31.0612, 71.5286)
Luminance	0.3106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9EDB #DB884B

analogous

#4BDBD0 #4B9EDB #4B56DB

triadic

#4B9EDB #DB4B9E #9EDB4B

tetradic

#4B9EDB #D04BDB #DB884B #56DB4B

square

#4B9EDB #D04BDB #DB884B #56DB4B

split-complementary

#4B9EDB #DB4B56 #DBD04B

monochromatic

#1D5F8F #2780C2 #4B9EDB #7EB9E5 #B1D5EF

Accessibility & contrast

On white

2.91

#4B9EDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#4B9EDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4B9EDB

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9EDB	#FFFFFF	#000000	##000000
##4B9EDB	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839FDE

Deuteranopia (green-blind)

#6F91DA

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #4b9edb;
/* rgb */ color: rgb(75, 158, 219);
/* oklch */ color: oklch(67.4% 0.121 243.3);

Tailwind

colors: {
  custom: {
    50: '#8cbae6',
    500: '#4b9edb',
    950: '#000000',
  },
}

SCSS

$custom: #4b9edb;
$custom-light: #8cbae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9edb",
  "rgb": {
    "r": 75,
    "g": 158,
    "b": 219
  },
  "hsl": {
    "h": 205.417,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67396,
    "c": 0.12127,
    "h": 243.3
  },
  "luminance": 0.31064
}

Semantic roles & 50–950 ramp

primary

#4B9EDB

secondary

#DEBCA4

accent

#873EEA

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4B9EDB

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

Preview Lab → · Contrast checker → · Palette generator →