#4298EE#4298EE

#4298EE is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.8% C 0.152 H 251.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4298EE
RGB	rgb(66, 152, 238)
HSL	hsl(210, 83%, 60%)
HSV	hsv(210, 72%, 93%)
CMYK	cmyk(72.3%, 36.1%, 0%, 6.7%)
CIE-LAB	lab(61.47, 2.31, -50.66)
CIE-LCH	lch(61.47, 50.71, 272.61°)
OKLab	oklab(66.75% -0.0491 -0.1442)
OKLCH	oklch(66.75% 0.152 251.2)
XYZ	xyz(28.9018, 29.7845, 85.0981)
Luminance	0.2979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4298EE #EE9842

analogous

#42EEEE #4298EE #4242EE

triadic

#4298EE #EE4298 #98EE42

tetradic

#4298EE #EE42EE #EE9842 #42EE42

square

#4298EE #EE42EE #EE9842 #42EE42

split-complementary

#4298EE #EE4242 #EEEE42

monochromatic

#0F5BA7 #1479DF #4298EE #7AB7F3 #B2D5F8

Accessibility & contrast

On white

3.02

#4298EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#4298EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4298EE

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4298EE	#FFFFFF	#000000	##000000
##4298EE	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#719DF2

Deuteranopia (green-blind)

#578DEC

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4298ee;
/* rgb */ color: rgb(66, 152, 238);
/* oklch */ color: oklch(66.8% 0.152 251.2);

Tailwind

colors: {
  custom: {
    50: '#8bb5f4',
    500: '#4298ee',
    950: '#000000',
  },
}

SCSS

$custom: #4298ee;
$custom-light: #8bb5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#4298ee",
  "rgb": {
    "r": 66,
    "g": 152,
    "b": 238
  },
  "hsl": {
    "h": 210,
    "s": 83.495,
    "l": 59.608
  },
  "oklch": {
    "l": 0.66753,
    "c": 0.1523,
    "h": 251.2
  },
  "luminance": 0.29788
}

Semantic roles & 50–950 ramp

primary

#4298EE

secondary

#E7C6A5

accent

#942EFA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1117

muted

#7E8085

Preview Lab

Preview with #4298EE

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

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