#4B9BCF#4B9BCF

#4B9BCF is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.1% C 0.110 H 239.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B9BCF
RGB	rgb(75, 155, 207)
HSL	hsl(204, 58%, 55%)
HSV	hsv(204, 64%, 81%)
CMYK	cmyk(63.8%, 25.1%, 0%, 18.8%)
CIE-LAB	lab(61.17, -8.54, -33.90)
CIE-LCH	lch(61.17, 34.96, 255.86°)
OKLab	oklab(66.12% -0.0553 -0.0953)
OKLCH	oklch(66.12% 0.11 239.9)
XYZ	xyz(25.8812, 29.4409, 63.3381)
Luminance	0.2944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9BCF #CF7F4B

analogous

#4BCFC1 #4B9BCF #4B59CF

triadic

#4B9BCF #CF4B9B #9BCF4B

tetradic

#4B9BCF #C14BCF #CF7F4B #59CF4B

square

#4B9BCF #C14BCF #CF7F4B #59CF4B

split-complementary

#4B9BCF #CF4B59 #CFC14B

monochromatic

#225A7E #2E7CAE #4B9BCF #7BB6DC #ACD1E9

Accessibility & contrast

On white

3.05

#4B9BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#4B9BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B9BCF

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9BCF	#FFFFFF	#000000	##000000
##4B9BCF	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839BD1

Deuteranopia (green-blind)

#718ECE

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4b9bcf;
/* rgb */ color: rgb(75, 155, 207);
/* oklch */ color: oklch(66.1% 0.110 239.9);

Tailwind

colors: {
  custom: {
    50: '#8ab8de',
    500: '#4b9bcf',
    950: '#000000',
  },
}

SCSS

$custom: #4b9bcf;
$custom-light: #8ab8de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9bcf",
  "rgb": {
    "r": 75,
    "g": 155,
    "b": 207
  },
  "hsl": {
    "h": 203.636,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.66124,
    "c": 0.11017,
    "h": 239.9
  },
  "luminance": 0.29444
}

Semantic roles & 50–950 ramp

primary

#4B9BCF

secondary

#D6B59F

accent

#8447E1

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4B9BCF

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

Preview Lab → · Contrast checker → · Palette generator →