#4298D5#4298D5

#4298D5 is a light, vivid cyan. Relative luminance 0.284; OKLCH L 65.4% C 0.123 H 242.8°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4298D5
RGB	rgb(66, 152, 213)
HSL	hsl(205, 64%, 55%)
HSV	hsv(205, 69%, 84%)
CMYK	cmyk(69%, 28.6%, 0%, 16.5%)
CIE-LAB	lab(60.26, -6.32, -38.69)
CIE-LCH	lch(60.26, 39.20, 260.72°)
OKLab	oklab(65.41% -0.0561 -0.1093)
OKLCH	oklch(65.41% 0.123 242.8)
XYZ	xyz(25.4806, 28.4161, 67.0799)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4298D5 #D57F42

analogous

#42D5C8 #4298D5 #424FD5

triadic

#4298D5 #D54298 #98D542

tetradic

#4298D5 #C842D5 #D57F42 #4FD542

square

#4298D5 #C842D5 #D57F42 #4FD542

split-complementary

#4298D5 #D5424F #D5C842

monochromatic

#1C5780 #2879B2 #4298D5 #74B3E0 #A6CFEB

Accessibility & contrast

On white

3.14

#4298D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#4298D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4298D5

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4298D5	#FFFFFF	#000000	##000000
##4298D5	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)

#7C99D8

Deuteranopia (green-blind)

#688BD4

Tritanopia (blue-blind)

#00A7AD

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4298d5;
/* rgb */ color: rgb(66, 152, 213);
/* oklch */ color: oklch(65.4% 0.123 242.8);

Tailwind

colors: {
  custom: {
    50: '#87b6e2',
    500: '#4298d5',
    950: '#000000',
  },
}

SCSS

$custom: #4298d5;
$custom-light: #87b6e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4298d5",
  "rgb": {
    "r": 66,
    "g": 152,
    "b": 213
  },
  "hsl": {
    "h": 204.898,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.6541,
    "c": 0.1228,
    "h": 242.8
  },
  "luminance": 0.28419
}

Semantic roles & 50–950 ramp

primary

#4298D5

secondary

#D8B49A

accent

#8641E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #4298D5

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

Preview Lab → · Contrast checker → · Palette generator →