#4EB5E5#4EB5E5

#4EB5E5 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.117 H 231.7°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5E5
RGB	rgb(78, 181, 229)
HSL	hsl(199, 74%, 60%)
HSV	hsv(199, 66%, 90%)
CMYK	cmyk(65.9%, 21%, 0%, 10.2%)
CIE-LAB	lab(69.70, -15.14, -32.80)
CIE-LCH	lch(69.70, 36.13, 245.23°)
OKLab	oklab(73.23% -0.0726 -0.0919)
OKLCH	oklch(73.23% 0.117 231.7)
XYZ	xyz(33.8030, 40.3210, 80.1148)
Luminance	0.4032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5E5 #E57E4E

analogous

#4EE5CA #4EB5E5 #4E69E5

triadic

#4EB5E5 #E54EB5 #B5E54E

tetradic

#4EB5E5 #CA4EE5 #E57E4E #69E54E

square

#4EB5E5 #CA4EE5 #E57E4E #69E54E

split-complementary

#4EB5E5 #E54E69 #E5CA4E

monochromatic

#1875A1 #1F9CD6 #4EB5E5 #83CBED #B9E2F5

Accessibility & contrast

On white

2.32

#4EB5E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#4EB5E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5E5

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5E5	#FFFFFF	#000000	##000000
##4EB5E5	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB3E7

Deuteranopia (green-blind)

#88A4E4

Tritanopia (blue-blind)

#00C2C5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4eb5e5;
/* rgb */ color: rgb(78, 181, 229);
/* oklch */ color: oklch(73.2% 0.117 231.7);

Tailwind

colors: {
  custom: {
    50: '#8fcbed',
    500: '#4eb5e5',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5e5;
$custom-light: #8fcbed;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5e5",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 229
  },
  "hsl": {
    "h": 199.073,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.73227,
    "c": 0.11713,
    "h": 231.7
  },
  "luminance": 0.40325
}

Semantic roles & 50–950 ramp

primary

#4EB5E5

secondary

#E4BDAA

accent

#4E0FD7

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB5E5

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

Preview Lab → · Contrast checker → · Palette generator →