#4FB1DB#4FB1DB

#4FB1DB is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.9% C 0.110 H 229.3°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#4FB1DB
RGB	rgb(79, 177, 219)
HSL	hsl(198, 66%, 58%)
HSV	hsv(198, 64%, 86%)
CMYK	cmyk(63.9%, 19.2%, 0%, 14.1%)
CIE-LAB	lab(68.18, -16.00, -29.67)
CIE-LCH	lch(68.18, 33.71, 241.66°)
OKLab	oklab(71.9% -0.0714 -0.083)
OKLCH	oklch(71.9% 0.11 229.3)
XYZ	xyz(31.7277, 38.2177, 72.7088)
Luminance	0.3822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB1DB #DB794F

analogous

#4FDBBF #4FB1DB #4F6BDB

triadic

#4FB1DB #DB4FB1 #B1DB4F

tetradic

#4FB1DB #BF4FDB #DB794F #6BDB4F

square

#4FB1DB #BF4FDB #DB794F #6BDB4F

split-complementary

#4FB1DB #DB4F6B #DBBF4F

monochromatic

#1E6F92 #2896C5 #4FB1DB #82C8E5 #B5DEF0

Accessibility & contrast

On white

2.43

#4FB1DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#4FB1DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB1DB

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB1DB	#FFFFFF	#000000	##000000
##4FB1DB	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAEDD

Deuteranopia (green-blind)

#88A0DA

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #4fb1db;
/* rgb */ color: rgb(79, 177, 219);
/* oklch */ color: oklch(71.9% 0.110 229.3);

Tailwind

colors: {
  custom: {
    50: '#8ec8e6',
    500: '#4fb1db',
    950: '#000000',
  },
}

SCSS

$custom: #4fb1db;
$custom-light: #8ec8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb1db",
  "rgb": {
    "r": 79,
    "g": 177,
    "b": 219
  },
  "hsl": {
    "h": 198,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.71897,
    "c": 0.1095,
    "h": 229.3
  },
  "luminance": 0.38221
}

Semantic roles & 50–950 ramp

primary

#4FB1DB

secondary

#DFB8A7

accent

#723FE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4FB1DB

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

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