#4299D1#4299D1

#4299D1 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.4% C 0.118 H 240.3°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#4299D1
RGB	rgb(66, 153, 209)
HSL	hsl(203, 61%, 54%)
HSV	hsv(203, 68%, 82%)
CMYK	cmyk(68.4%, 26.8%, 0%, 18%)
CIE-LAB	lab(60.37, -8.24, -36.28)
CIE-LCH	lch(60.37, 37.21, 257.21°)
OKLab	oklab(65.44% -0.0583 -0.1023)
OKLCH	oklch(65.44% 0.118 240.3)
XYZ	xyz(25.1422, 28.5414, 64.4932)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299D1 #D17A42

analogous

#42D1C2 #4299D1 #4252D1

triadic

#4299D1 #D14299 #99D142

tetradic

#4299D1 #C242D1 #D17A42 #52D142

square

#4299D1 #C242D1 #D17A42 #52D142

split-complementary

#4299D1 #D14252 #D1C242

monochromatic

#1E567B #2A79AC #4299D1 #73B4DD #A4CEE9

Accessibility & contrast

On white

3.13

#4299D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#4299D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299D1

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299D1	#FFFFFF	#000000	##000000
##4299D1	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F99D4

Deuteranopia (green-blind)

#6C8BD0

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4299d1;
/* rgb */ color: rgb(66, 153, 209);
/* oklch */ color: oklch(65.4% 0.118 240.3);

Tailwind

colors: {
  custom: {
    50: '#86b6df',
    500: '#4299d1',
    950: '#000000',
  },
}

SCSS

$custom: #4299d1;
$custom-light: #86b6df;
$custom-dark: #000000;

JSON

{
  "hex": "#4299d1",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 209
  },
  "hsl": {
    "h": 203.497,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.6544,
    "c": 0.11773,
    "h": 240.3
  },
  "luminance": 0.28544
}

Semantic roles & 50–950 ramp

primary

#4299D1

secondary

#D6B199

accent

#8344E4

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4299D1

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

Preview Lab → · Contrast checker → · Palette generator →