#4BB9CF#4BB9CF

#4BB9CF is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.1% C 0.103 H 213.2°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9CF
RGB	rgb(75, 185, 207)
HSL	hsl(190, 58%, 55%)
HSV	hsv(190, 64%, 81%)
CMYK	cmyk(63.8%, 10.6%, 0%, 18.8%)
CIE-LAB	lab(69.96, -24.48, -20.38)
CIE-LCH	lch(69.96, 31.85, 219.77°)
OKLab	oklab(73.15% -0.0866 -0.0566)
OKLCH	oklch(73.15% 0.103 213.2)
XYZ	xyz(31.5084, 40.6954, 65.2138)
Luminance	0.4070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9CF #CF614B

analogous

#4BCFA3 #4BB9CF #4B77CF

triadic

#4BB9CF #CF4BB9 #B9CF4B

tetradic

#4BB9CF #A34BCF #CF614B #77CF4B

square

#4BB9CF #A34BCF #CF614B #77CF4B

split-complementary

#4BB9CF #CF4B77 #CFA34B

monochromatic

#226F7E #2E99AE #4BB9CF #7BCCDC #ACDFE9

Accessibility & contrast

On white

2.30

#4BB9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#4BB9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9CF

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9CF	#FFFFFF	#000000	##000000
##4BB9CF	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3D0

Deuteranopia (green-blind)

#95A5CF

Tritanopia (blue-blind)

#00C2C0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #4bb9cf;
/* rgb */ color: rgb(75, 185, 207);
/* oklch */ color: oklch(73.1% 0.103 213.2);

Tailwind

colors: {
  custom: {
    50: '#8ccedd',
    500: '#4bb9cf',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9cf;
$custom-light: #8ccedd;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9cf",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 207
  },
  "hsl": {
    "h": 190,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.73145,
    "c": 0.10343,
    "h": 213.2
  },
  "luminance": 0.40699
}

Semantic roles & 50–950 ramp

primary

#4BB9CF

secondary

#D6A99F

accent

#6047E1

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB9CF

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

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