#4198EA#4198EA

#4198EA is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.5% C 0.148 H 249.9°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4198EA
RGB	rgb(65, 152, 234)
HSL	hsl(209, 80%, 59%)
HSV	hsv(209, 72%, 92%)
CMYK	cmyk(72.2%, 35%, 0%, 8.2%)
CIE-LAB	lab(61.24, 0.78, -48.82)
CIE-LCH	lch(61.24, 48.83, 270.92°)
OKLab	oklab(66.5% -0.0507 -0.1388)
OKLCH	oklch(66.5% 0.148 249.9)
XYZ	xyz(28.2539, 29.5176, 82.0344)
Luminance	0.2952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4198EA #EA9341

analogous

#41EAE7 #4198EA #4143EA

triadic

#4198EA #EA4198 #98EA41

tetradic

#4198EA #E741EA #EA9341 #43EA41

square

#4198EA #E741EA #EA9341 #43EA41

split-complementary

#4198EA #EA4143 #EAE741

monochromatic

#125A9F #187AD6 #4198EA #78B6F0 #AFD4F6

Accessibility & contrast

On white

3.04

#4198EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#4198EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4198EA

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4198EA	#FFFFFF	#000000	##000000
##4198EA	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739CED

Deuteranopia (green-blind)

#5A8DE8

Tritanopia (blue-blind)

#00ABB6

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4198ea;
/* rgb */ color: rgb(65, 152, 234);
/* oklch */ color: oklch(66.5% 0.148 249.9);

Tailwind

colors: {
  custom: {
    50: '#8ab5f1',
    500: '#4198ea',
    950: '#000000',
  },
}

SCSS

$custom: #4198ea;
$custom-light: #8ab5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4198ea",
  "rgb": {
    "r": 65,
    "g": 152,
    "b": 234
  },
  "hsl": {
    "h": 209.112,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.66497,
    "c": 0.14778,
    "h": 249.9
  },
  "luminance": 0.29521
}

Semantic roles & 50–950 ramp

primary

#4198EA

secondary

#E5C2A2

accent

#9131F7

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1117

muted

#7E8085

Preview Lab

Preview with #4198EA

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

Preview Lab → · Contrast checker → · Palette generator →