#4BB5E7#4BB5E7

#4BB5E7 is a light, vivid cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.120 H 232.3°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5E7
RGB	rgb(75, 181, 231)
HSL	hsl(199, 76%, 60%)
HSV	hsv(199, 68%, 91%)
CMYK	cmyk(67.5%, 21.6%, 0%, 9.4%)
CIE-LAB	lab(69.69, -14.96, -33.91)
CIE-LCH	lch(69.69, 37.07, 246.20°)
OKLab	oklab(73.22% -0.0736 -0.0951)
OKLCH	oklch(73.22% 0.12 232.3)
XYZ	xyz(33.8436, 40.3094, 81.5827)
Luminance	0.4031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5E7 #E77D4B

analogous

#4BE7CB #4BB5E7 #4B67E7

triadic

#4BB5E7 #E74BB5 #B5E74B

tetradic

#4BB5E7 #CB4BE7 #E77D4B #67E74B

square

#4BB5E7 #CB4BE7 #E77D4B #67E74B

split-complementary

#4BB5E7 #E74B67 #E7CB4B

monochromatic

#1675A2 #1D9CD8 #4BB5E7 #81CBEE #B7E1F5

Accessibility & contrast

On white

2.32

#4BB5E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#4BB5E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5E7

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5E7	#FFFFFF	#000000	##000000
##4BB5E7	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB3E9

Deuteranopia (green-blind)

#87A3E6

Tritanopia (blue-blind)

#00C2C6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4bb5e7;
/* rgb */ color: rgb(75, 181, 231);
/* oklch */ color: oklch(73.2% 0.120 232.3);

Tailwind

colors: {
  custom: {
    50: '#8ecbee',
    500: '#4bb5e7',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5e7;
$custom-light: #8ecbee;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5e7",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 231
  },
  "hsl": {
    "h": 199.231,
    "s": 76.471,
    "l": 60
  },
  "oklch": {
    "l": 0.73222,
    "c": 0.12029,
    "h": 232.3
  },
  "luminance": 0.40313
}

Semantic roles & 50–950 ramp

primary

#4BB5E7

secondary

#E5BCA9

accent

#7235F3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB5E7

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

Preview Lab → · Contrast checker → · Palette generator →