#4B99CF#4B99CF

#4B99CF is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.111 H 241.5°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4B99CF
RGB	rgb(75, 153, 207)
HSL	hsl(205, 58%, 55%)
HSV	hsv(205, 64%, 81%)
CMYK	cmyk(63.8%, 26.1%, 0%, 18.8%)
CIE-LAB	lab(60.59, -7.42, -34.81)
CIE-LCH	lch(60.59, 35.59, 257.96°)
OKLab	oklab(65.66% -0.0532 -0.0979)
OKLCH	oklch(65.66% 0.111 241.5)
XYZ	xyz(25.5511, 28.7807, 63.2281)
Luminance	0.2878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99CF #CF814B

analogous

#4BCFC3 #4B99CF #4B57CF

triadic

#4B99CF #CF4B99 #99CF4B

tetradic

#4B99CF #C34BCF #CF814B #57CF4B

square

#4B99CF #C34BCF #CF814B #57CF4B

split-complementary

#4B99CF #CF4B57 #CFC34B

monochromatic

#22587E #2E7AAE #4B99CF #7BB4DC #ACD0E9

Accessibility & contrast

On white

3.11

#4B99CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#4B99CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99CF

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99CF	#FFFFFF	#000000	##000000
##4B99CF	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8199D1

Deuteranopia (green-blind)

#6F8CCE

Tritanopia (blue-blind)

#00A6AC

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4b99cf;
/* rgb */ color: rgb(75, 153, 207);
/* oklch */ color: oklch(65.7% 0.111 241.5);

Tailwind

colors: {
  custom: {
    50: '#8ab6de',
    500: '#4b99cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b99cf;
$custom-light: #8ab6de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99cf",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 204.545,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.65664,
    "c": 0.11144,
    "h": 241.5
  },
  "luminance": 0.28783
}

Semantic roles & 50–950 ramp

primary

#4B99CF

secondary

#D6B69F

accent

#8647E1

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4B99CF

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

Preview Lab → · Contrast checker → · Palette generator →