#4B99DF#4B99DF

#4B99DF is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.5% C 0.130 H 248.1°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#4B99DF
RGB	rgb(75, 153, 223)
HSL	hsl(208, 70%, 58%)
HSV	hsv(208, 66%, 87%)
CMYK	cmyk(66.4%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.31, -2.10, -42.59)
CIE-LCH	lch(61.31, 42.64, 267.17°)
OKLab	oklab(66.47% -0.0483 -0.1205)
OKLCH	oklch(66.47% 0.13 248.1)
XYZ	xyz(27.6072, 29.6032, 74.0568)
Luminance	0.2961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99DF #DF914B

analogous

#4BDFDB #4B99DF #4B4FDF

triadic

#4B99DF #DF4B99 #99DF4B

tetradic

#4B99DF #DB4BDF #DF914B #4FDF4B

square

#4B99DF #DB4BDF #DF914B #4FDF4B

split-complementary

#4B99DF #DF4B4F #DFDB4B

monochromatic

#1B5B95 #247BC9 #4B99DF #7FB6E8 #B3D4F1

Accessibility & contrast

On white

3.03

#4B99DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#4B99DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99DF

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99DF	#FFFFFF	#000000	##000000
##4B99DF	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE2

Deuteranopia (green-blind)

#668EDE

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4b99df;
/* rgb */ color: rgb(75, 153, 223);
/* oklch */ color: oklch(66.5% 0.130 248.1);

Tailwind

colors: {
  custom: {
    50: '#8cb6e9',
    500: '#4b99df',
    950: '#000000',
  },
}

SCSS

$custom: #4b99df;
$custom-light: #8cb6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99df",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 208.378,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.66472,
    "c": 0.12983,
    "h": 248.1
  },
  "luminance": 0.29606
}

Semantic roles & 50–950 ramp

primary

#4B99DF

secondary

#E0C1A6

accent

#8F3BED

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4B99DF

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

Preview Lab → · Contrast checker → · Palette generator →