#4298D3#4298D3

#4298D3 is a light, vivid cyan. Relative luminance 0.283; OKLCH L 65.3% C 0.121 H 242.0°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4298D3
RGB	rgb(66, 152, 211)
HSL	hsl(204, 62%, 54%)
HSV	hsv(204, 69%, 83%)
CMYK	cmyk(68.7%, 28%, 0%, 17.3%)
CIE-LAB	lab(60.17, -7.00, -37.72)
CIE-LCH	lch(60.17, 38.36, 259.49°)
OKLab	oklab(65.31% -0.0567 -0.1064)
OKLCH	oklch(65.31% 0.121 242)
XYZ	xyz(25.2284, 28.3151, 65.7512)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4298D3 #D37D42

analogous

#42D3C6 #4298D3 #4250D3

triadic

#4298D3 #D34298 #98D342

tetradic

#4298D3 #C642D3 #D37D42 #50D342

square

#4298D3 #C642D3 #D37D42 #50D342

split-complementary

#4298D3 #D34250 #D3C642

monochromatic

#1D567D #2978AF #4298D3 #74B3DF #A5CEEA

Accessibility & contrast

On white

3.15

#4298D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#4298D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4298D3

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4298D3	#FFFFFF	#000000	##000000
##4298D3	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D99D6

Deuteranopia (green-blind)

#698BD2

Tritanopia (blue-blind)

#00A7AD

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4298d3;
/* rgb */ color: rgb(66, 152, 211);
/* oklch */ color: oklch(65.3% 0.121 242.0);

Tailwind

colors: {
  custom: {
    50: '#86b6e0',
    500: '#4298d3',
    950: '#000000',
  },
}

SCSS

$custom: #4298d3;
$custom-light: #86b6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4298d3",
  "rgb": {
    "r": 66,
    "g": 152,
    "b": 211
  },
  "hsl": {
    "h": 204.414,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.65309,
    "c": 0.12059,
    "h": 242
  },
  "luminance": 0.28318
}

Semantic roles & 50–950 ramp

primary

#4298D3

secondary

#D7B39A

accent

#8542E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4298D3

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

Preview Lab → · Contrast checker → · Palette generator →