#4FB5E5#4FB5E5

#4FB5E5 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.3% C 0.117 H 231.9°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4FB5E5
RGB	rgb(79, 181, 229)
HSL	hsl(199, 74%, 60%)
HSV	hsv(199, 66%, 90%)
CMYK	cmyk(65.5%, 21%, 0%, 10.2%)
CIE-LAB	lab(69.73, -14.98, -32.75)
CIE-LCH	lch(69.73, 36.02, 245.42°)
OKLab	oklab(73.26% -0.072 -0.0918)
OKLCH	oklch(73.26% 0.117 231.9)
XYZ	xyz(33.8856, 40.3636, 80.1187)
Luminance	0.4037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB5E5 #E57F4F

analogous

#4FE5CA #4FB5E5 #4F6AE5

triadic

#4FB5E5 #E54FB5 #B5E54F

tetradic

#4FB5E5 #CA4FE5 #E57F4F #6AE54F

square

#4FB5E5 #CA4FE5 #E57F4F #6AE54F

split-complementary

#4FB5E5 #E54F6A #E5CA4F

monochromatic

#1876A2 #209CD7 #4FB5E5 #84CBED #BAE2F5

Accessibility & contrast

On white

2.31

#4FB5E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#4FB5E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB5E5

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB5E5	#FFFFFF	#000000	##000000
##4FB5E5	1.00	2.31	9.07	9.07
#FFFFFF	2.31	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: #4fb5e5;
/* rgb */ color: rgb(79, 181, 229);
/* oklch */ color: oklch(73.3% 0.117 231.9);

Tailwind

colors: {
  custom: {
    50: '#90cbed',
    500: '#4fb5e5',
    950: '#000000',
  },
}

SCSS

$custom: #4fb5e5;
$custom-light: #90cbed;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb5e5",
  "rgb": {
    "r": 79,
    "g": 181,
    "b": 229
  },
  "hsl": {
    "h": 199.2,
    "s": 74.257,
    "l": 60.392
  },
  "oklch": {
    "l": 0.73259,
    "c": 0.11665,
    "h": 231.9
  },
  "luminance": 0.40367
}

Semantic roles & 50–950 ramp

primary

#4FB5E5

secondary

#E5BEAB

accent

#4F0FD6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB5E5

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

Preview Lab → · Contrast checker → · Palette generator →