#4FB9D1#4FB9D1

#4FB9D1 is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.4% C 0.102 H 215.2°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#4FB9D1
RGB	rgb(79, 185, 209)
HSL	hsl(191, 59%, 56%)
HSV	hsv(191, 62%, 82%)
CMYK	cmyk(62.2%, 11.5%, 0%, 18%)
CIE-LAB	lab(70.15, -23.21, -21.18)
CIE-LCH	lch(70.15, 31.42, 222.38°)
OKLab	oklab(73.35% -0.0835 -0.0588)
OKLCH	oklch(73.35% 0.102 215.2)
XYZ	xyz(32.0773, 40.9603, 66.5249)
Luminance	0.4096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB9D1 #D1674F

analogous

#4FD1A8 #4FB9D1 #4F78D1

triadic

#4FB9D1 #D14FB9 #B9D14F

tetradic

#4FB9D1 #A84FD1 #D1674F #78D14F

square

#4FB9D1 #A84FD1 #D1674F #78D14F

split-complementary

#4FB9D1 #D14F78 #D1A84F

monochromatic

#227183 #2F9BB4 #4FB9D1 #80CCDE #B0E0EA

Accessibility & contrast

On white

2.28

#4FB9D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#4FB9D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9D1

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB9D1	#FFFFFF	#000000	##000000
##4FB9D1	1.00	2.28	9.19	9.19
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B4D2

Deuteranopia (green-blind)

#95A5D1

Tritanopia (blue-blind)

#00C2C0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #4fb9d1;
/* rgb */ color: rgb(79, 185, 209);
/* oklch */ color: oklch(73.4% 0.102 215.2);

Tailwind

colors: {
  custom: {
    50: '#8ecedf',
    500: '#4fb9d1',
    950: '#000000',
  },
}

SCSS

$custom: #4fb9d1;
$custom-light: #8ecedf;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb9d1",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 209
  },
  "hsl": {
    "h": 191.077,
    "s": 58.559,
    "l": 56.471
  },
  "oklch": {
    "l": 0.7335,
    "c": 0.10217,
    "h": 215.2
  },
  "luminance": 0.40964
}

Semantic roles & 50–950 ramp

primary

#4FB9D1

secondary

#D9ADA3

accent

#6346E2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4FB9D1

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

Preview Lab → · Contrast checker → · Palette generator →