#4FB3EB#4FB3EB

#4FB3EB is a light, vivid cyan. Relative luminance 0.399; OKLCH L 73.1% C 0.123 H 236.5°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#4FB3EB
RGB	rgb(79, 179, 235)
HSL	hsl(202, 80%, 62%)
HSV	hsv(202, 66%, 92%)
CMYK	cmyk(66.4%, 23.8%, 0%, 7.8%)
CIE-LAB	lab(69.40, -11.99, -36.54)
CIE-LCH	lch(69.40, 38.46, 251.83°)
OKLab	oklab(73.08% -0.068 -0.1027)
OKLCH	oklch(73.08% 0.123 236.5)
XYZ	xyz(34.3341, 39.8970, 84.4726)
Luminance	0.3990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB3EB #EB874F

analogous

#4FEBD5 #4FB3EB #4F65EB

triadic

#4FB3EB #EB4FB3 #B3EB4F

tetradic

#4FB3EB #D54FEB #EB874F #65EB4F

square

#4FB3EB #D54FEB #EB874F #65EB4F

split-complementary

#4FB3EB #EB4F65 #EBD54F

monochromatic

#1475AC #1A9BE3 #4FB3EB #86CBF1 #BDE2F7

Accessibility & contrast

On white

2.34

#4FB3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#4FB3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB3EB

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB3EB	#FFFFFF	#000000	##000000
##4FB3EB	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B2EE

Deuteranopia (green-blind)

#83A3EA

Tritanopia (blue-blind)

#00C1C6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4fb3eb;
/* rgb */ color: rgb(79, 179, 235);
/* oklch */ color: oklch(73.1% 0.123 236.5);

Tailwind

colors: {
  custom: {
    50: '#90c9f1',
    500: '#4fb3eb',
    950: '#000000',
  },
}

SCSS

$custom: #4fb3eb;
$custom-light: #90c9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb3eb",
  "rgb": {
    "r": 79,
    "g": 179,
    "b": 235
  },
  "hsl": {
    "h": 201.538,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.73076,
    "c": 0.12314,
    "h": 236.5
  },
  "luminance": 0.39901
}

Semantic roles & 50–950 ramp

primary

#4FB3EB

secondary

#E8C3AE

accent

#550ADC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #4FB3EB

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

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