#4EA3CB#4EA3CB

#4EA3CB is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.9% C 0.101 H 231.2°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4EA3CB
RGB	rgb(78, 163, 203)
HSL	hsl(199, 55%, 55%)
HSV	hsv(199, 62%, 80%)
CMYK	cmyk(61.6%, 19.7%, 0%, 20.4%)
CIE-LAB	lab(63.44, -13.69, -28.14)
CIE-LCH	lch(63.44, 31.29, 244.05°)
OKLab	oklab(67.91% -0.0631 -0.0786)
OKLCH	oklch(67.91% 0.101 231.2)
XYZ	xyz(27.0144, 32.1232, 61.2651)
Luminance	0.3213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA3CB #CB764E

analogous

#4ECBB4 #4EA3CB #4E64CB

triadic

#4EA3CB #CB4EA3 #A3CB4E

tetradic

#4EA3CB #B44ECB #CB764E #64CB4E

square

#4EA3CB #B44ECB #CB764E #64CB4E

split-complementary

#4EA3CB #CB4E64 #CBB44E

monochromatic

#245F7B #3283AA #4EA3CB #7DBCD9 #ADD4E7

Accessibility & contrast

On white

2.83

#4EA3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#4EA3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA3CB

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA3CB	#FFFFFF	#000000	##000000
##4EA3CB	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA1CD

Deuteranopia (green-blind)

#7E94CA

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #4ea3cb;
/* rgb */ color: rgb(78, 163, 203);
/* oklch */ color: oklch(67.9% 0.101 231.2);

Tailwind

colors: {
  custom: {
    50: '#8bbedb',
    500: '#4ea3cb',
    950: '#000000',
  },
}

SCSS

$custom: #4ea3cb;
$custom-light: #8bbedb;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea3cb",
  "rgb": {
    "r": 78,
    "g": 163,
    "b": 203
  },
  "hsl": {
    "h": 199.2,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.67907,
    "c": 0.10086,
    "h": 231.2
  },
  "luminance": 0.32126
}

Semantic roles & 50–950 ramp

primary

#4EA3CB

secondary

#D5B1A0

accent

#794ADE

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #4EA3CB

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

Preview Lab → · Contrast checker → · Palette generator →