#4FB9E5#4FB9E5

#4FB9E5 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.2% C 0.115 H 228.7°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#4FB9E5
RGB	rgb(79, 185, 229)
HSL	hsl(198, 74%, 60%)
HSV	hsv(198, 66%, 90%)
CMYK	cmyk(65.5%, 19.2%, 0%, 10.2%)
CIE-LAB	lab(70.88, -17.09, -30.97)
CIE-LCH	lch(70.88, 35.38, 241.11°)
OKLab	oklab(74.18% -0.076 -0.0867)
OKLCH	oklch(74.18% 0.115 228.7)
XYZ	xyz(34.7107, 42.0136, 80.3937)
Luminance	0.4202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB9E5 #E57B4F

analogous

#4FE5C6 #4FB9E5 #4F6EE5

triadic

#4FB9E5 #E54FB9 #B9E54F

tetradic

#4FB9E5 #C64FE5 #E57B4F #6EE54F

square

#4FB9E5 #C64FE5 #E57B4F #6EE54F

split-complementary

#4FB9E5 #E54F6E #E5C64F

monochromatic

#1879A2 #20A1D7 #4FB9E5 #84CEED #BAE3F5

Accessibility & contrast

On white

2.23

#4FB9E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#4FB9E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9E5

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB9E5	#FFFFFF	#000000	##000000
##4FB9E5	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B6E7

Deuteranopia (green-blind)

#8DA7E4

Tritanopia (blue-blind)

#00C5C7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4fb9e5;
/* rgb */ color: rgb(79, 185, 229);
/* oklch */ color: oklch(74.2% 0.115 228.7);

Tailwind

colors: {
  custom: {
    50: '#90ceed',
    500: '#4fb9e5',
    950: '#000000',
  },
}

SCSS

$custom: #4fb9e5;
$custom-light: #90ceed;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb9e5",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 229
  },
  "hsl": {
    "h": 197.6,
    "s": 74.257,
    "l": 60.392
  },
  "oklch": {
    "l": 0.74179,
    "c": 0.11528,
    "h": 228.7
  },
  "luminance": 0.42017
}

Semantic roles & 50–950 ramp

primary

#4FB9E5

secondary

#E5BCAB

accent

#4A0FD6

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB9E5

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

Preview Lab → · Contrast checker → · Palette generator →