#4FB9DB#4FB9DB

#4FB9DB is a light, moderate cyan. Relative luminance 0.415; OKLCH L 73.8% C 0.108 H 222.4°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#4FB9DB
RGB	rgb(79, 185, 219)
HSL	hsl(195, 66%, 58%)
HSV	hsv(195, 64%, 86%)
CMYK	cmyk(63.9%, 15.5%, 0%, 14.1%)
CIE-LAB	lab(70.50, -20.19, -26.10)
CIE-LCH	lch(70.50, 33.00, 232.28°)
OKLab	oklab(73.75% -0.0797 -0.0728)
OKLCH	oklch(73.75% 0.108 222.4)
XYZ	xyz(33.3544, 41.4711, 73.2510)
Luminance	0.4148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB9DB #DB714F

analogous

#4FDBB7 #4FB9DB #4F73DB

triadic

#4FB9DB #DB4FB9 #B9DB4F

tetradic

#4FB9DB #B74FDB #DB714F #73DB4F

square

#4FB9DB #B74FDB #DB714F #73DB4F

split-complementary

#4FB9DB #DB4F73 #DBB74F

monochromatic

#1E7692 #289FC5 #4FB9DB #82CDE5 #B5E1F0

Accessibility & contrast

On white

2.26

#4FB9DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#4FB9DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9DB

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB9DB	#FFFFFF	#000000	##000000
##4FB9DB	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DD

Deuteranopia (green-blind)

#91A6DB

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4fb9db;
/* rgb */ color: rgb(79, 185, 219);
/* oklch */ color: oklch(73.8% 0.108 222.4);

Tailwind

colors: {
  custom: {
    50: '#8fcee6',
    500: '#4fb9db',
    950: '#000000',
  },
}

SCSS

$custom: #4fb9db;
$custom-light: #8fcee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb9db",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 219
  },
  "hsl": {
    "h": 194.571,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.73754,
    "c": 0.1079,
    "h": 222.4
  },
  "luminance": 0.41475
}

Semantic roles & 50–950 ramp

primary

#4FB9DB

secondary

#DFB5A7

accent

#683FE9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB9DB

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

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