#4299CE#4299CE

#4299CE is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.3% C 0.115 H 238.8°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4299CE
RGB	rgb(66, 153, 206)
HSL	hsl(203, 59%, 53%)
HSV	hsv(203, 68%, 81%)
CMYK	cmyk(68%, 25.7%, 0%, 19.2%)
CIE-LAB	lab(60.24, -9.24, -34.81)
CIE-LCH	lch(60.24, 36.02, 255.13°)
OKLab	oklab(65.29% -0.0593 -0.098)
OKLCH	oklch(65.29% 0.115 238.8)
XYZ	xyz(24.7743, 28.3943, 62.5555)
Luminance	0.2840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299CE #CE7742

analogous

#42CEBD #4299CE #4253CE

triadic

#4299CE #CE4299 #99CE42

tetradic

#4299CE #BD42CE #CE7742 #53CE42

square

#4299CE #BD42CE #CE7742 #53CE42

split-complementary

#4299CE #CE4253 #CEBD42

monochromatic

#1F5577 #2B78A7 #4299CE #73B3DB #A3CDE7

Accessibility & contrast

On white

3.14

#4299CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#4299CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299CE

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299CE	#FFFFFF	#000000	##000000
##4299CE	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8099D0

Deuteranopia (green-blind)

#6D8BCD

Tritanopia (blue-blind)

#00A6AB

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4299ce;
/* rgb */ color: rgb(66, 153, 206);
/* oklch */ color: oklch(65.3% 0.115 238.8);

Tailwind

colors: {
  custom: {
    50: '#86b6dd',
    500: '#4299ce',
    950: '#000000',
  },
}

SCSS

$custom: #4299ce;
$custom-light: #86b6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4299ce",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 206
  },
  "hsl": {
    "h": 202.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.65292,
    "c": 0.11455,
    "h": 238.8
  },
  "luminance": 0.28397
}

Semantic roles & 50–950 ramp

primary

#4299CE

secondary

#D4AF98

accent

#8146E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4299CE

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

Preview Lab → · Contrast checker → · Palette generator →