#4B9BCB#4B9BCB

#4B9BCB is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.9% C 0.106 H 237.7°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4B9BCB
RGB	rgb(75, 155, 203)
HSL	hsl(203, 55%, 55%)
HSV	hsv(203, 63%, 80%)
CMYK	cmyk(63.1%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(61.00, -9.84, -31.93)
CIE-LCH	lch(61.00, 33.41, 252.87°)
OKLab	oklab(65.93% -0.0566 -0.0896)
OKLCH	oklch(65.93% 0.106 237.7)
XYZ	xyz(25.3984, 29.2478, 60.7952)
Luminance	0.2925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9BCB #CB7B4B

analogous

#4BCBBB #4B9BCB #4B5BCB

triadic

#4B9BCB #CB4B9B #9BCB4B

tetradic

#4B9BCB #BB4BCB #CB7B4B #5BCB4B

square

#4B9BCB #BB4BCB #CB7B4B #5BCB4B

split-complementary

#4B9BCB #CB4B5B #CBBB4B

monochromatic

#235979 #317BA8 #4B9BCB #7AB5D9 #AAD0E6

Accessibility & contrast

On white

3.07

#4B9BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#4B9BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B9BCB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9BCB	#FFFFFF	#000000	##000000
##4B9BCB	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ACD

Deuteranopia (green-blind)

#738ECA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #4b9bcb;
/* rgb */ color: rgb(75, 155, 203);
/* oklch */ color: oklch(65.9% 0.106 237.7);

Tailwind

colors: {
  custom: {
    50: '#89b8db',
    500: '#4b9bcb',
    950: '#000000',
  },
}

SCSS

$custom: #4b9bcb;
$custom-light: #89b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9bcb",
  "rgb": {
    "r": 75,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 202.5,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.65934,
    "c": 0.106,
    "h": 237.7
  },
  "luminance": 0.2925
}

Semantic roles & 50–950 ramp

primary

#4B9BCB

secondary

#D4B29E

accent

#8149DF

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #4B9BCB

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

Preview Lab → · Contrast checker → · Palette generator →