#4299BF#4299BF

#4299BF is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.6% C 0.100 H 229.9°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4299BF
RGB	rgb(66, 153, 191)
HSL	hsl(198, 49%, 50%)
HSV	hsv(198, 65%, 75%)
CMYK	cmyk(65.4%, 19.9%, 0%, 25.1%)
CIE-LAB	lab(59.62, -14.18, -27.36)
CIE-LCH	lch(59.62, 30.82, 242.60°)
OKLab	oklab(64.59% -0.0645 -0.0766)
OKLCH	oklch(64.59% 0.1 229.9)
XYZ	xyz(23.0383, 27.6999, 53.4126)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299BF #BF6842

analogous

#42BFA6 #4299BF #425ABF

triadic

#4299BF #BF4299 #99BF42

tetradic

#4299BF #A642BF #BF6842 #5ABF42

square

#4299BF #A642BF #BF6842 #5ABF42

split-complementary

#4299BF #BF425A #BFA642

monochromatic

#225065 #327592 #4299BF #70B2CE #9DCADE

Accessibility & contrast

On white

3.21

#4299BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#4299BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299BF

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299BF	#FFFFFF	#000000	##000000
##4299BF	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8697C1

Deuteranopia (green-blind)

#748ABE

Tritanopia (blue-blind)

#00A4A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4299bf;
/* rgb */ color: rgb(66, 153, 191);
/* oklch */ color: oklch(64.6% 0.100 229.9);

Tailwind

colors: {
  custom: {
    50: '#84b7d2',
    500: '#4299bf',
    950: '#000000',
  },
}

SCSS

$custom: #4299bf;
$custom-light: #84b7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4299bf",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 191
  },
  "hsl": {
    "h": 198.24,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.64587,
    "c": 0.10012,
    "h": 229.9
  },
  "luminance": 0.27702
}

Semantic roles & 50–950 ramp

primary

#4299BF

secondary

#CAA393

accent

#794FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4299BF

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

Preview Lab → · Contrast checker → · Palette generator →