#4B99E0#4B99E0

#4B99E0 is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.5% C 0.131 H 248.5°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#4B99E0
RGB	rgb(75, 153, 224)
HSL	hsl(209, 71%, 59%)
HSV	hsv(209, 67%, 88%)
CMYK	cmyk(66.5%, 31.7%, 0%, 12.2%)
CIE-LAB	lab(61.36, -1.77, -43.07)
CIE-LCH	lch(61.36, 43.11, 267.65°)
OKLab	oklab(66.52% -0.048 -0.1219)
OKLCH	oklch(66.52% 0.131 248.5)
XYZ	xyz(27.7424, 29.6573, 74.7689)
Luminance	0.2966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99E0 #E0924B

analogous

#4BE0DD #4B99E0 #4B4EE0

triadic

#4B99E0 #E04B99 #99E04B

tetradic

#4B99E0 #DD4BE0 #E0924B #4EE04B

square

#4B99E0 #DD4BE0 #E0924B #4EE04B

split-complementary

#4B99E0 #E04B4E #E0DD4B

monochromatic

#1A5B97 #237BCB #4B99E0 #7FB7E9 #B3D4F2

Accessibility & contrast

On white

3.03

#4B99E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#4B99E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99E0

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99E0	#FFFFFF	#000000	##000000
##4B99E0	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE3

Deuteranopia (green-blind)

#658EDF

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4b99e0;
/* rgb */ color: rgb(75, 153, 224);
/* oklch */ color: oklch(66.5% 0.131 248.5);

Tailwind

colors: {
  custom: {
    50: '#8cb6ea',
    500: '#4b99e0',
    950: '#000000',
  },
}

SCSS

$custom: #4b99e0;
$custom-light: #8cb6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99e0",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 224
  },
  "hsl": {
    "h": 208.591,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.66524,
    "c": 0.13103,
    "h": 248.5
  },
  "luminance": 0.2966
}

Semantic roles & 50–950 ramp

primary

#4B99E0

secondary

#E1C2A6

accent

#903AED

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4B99E0

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

Preview Lab → · Contrast checker → · Palette generator →