#4188EA#4188EA

#4188EA is a light, vivid cyan. Relative luminance 0.247; OKLCH L 63.0% C 0.164 H 257.2°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4188EA
RGB	rgb(65, 136, 234)
HSL	hsl(215, 80%, 59%)
HSV	hsv(215, 72%, 92%)
CMYK	cmyk(72.2%, 41.9%, 0%, 8.2%)
CIE-LAB	lab(56.75, 10.28, -55.95)
CIE-LCH	lch(56.75, 56.89, 280.41°)
OKLab	oklab(63% -0.0364 -0.16)
OKLCH	oklch(63% 0.164 257.2)
XYZ	xyz(25.8300, 24.6698, 81.2264)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4188EA #EAA341

analogous

#41DCEA #4188EA #4E41EA

triadic

#4188EA #EA4188 #88EA41

tetradic

#4188EA #EA41DC #EAA341 #41EA4E

square

#4188EA #EA41DC #EAA341 #41EA4E

split-complementary

#4188EA #EA4E41 #DCEA41

monochromatic

#124D9F #1868D6 #4188EA #78ABF0 #AFCDF6

Accessibility & contrast

On white

3.54

#4188EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#4188EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4188EA

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4188EA	#FFFFFF	#000000	##000000
##4188EA	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5891EE

Deuteranopia (green-blind)

#3B81E8

Tritanopia (blue-blind)

#009FAD

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4188ea;
/* rgb */ color: rgb(65, 136, 234);
/* oklch */ color: oklch(63.0% 0.164 257.2);

Tailwind

colors: {
  custom: {
    50: '#8aaaf1',
    500: '#4188ea',
    950: '#000000',
  },
}

SCSS

$custom: #4188ea;
$custom-light: #8aaaf1;
$custom-dark: #000000;

JSON

{
  "hex": "#4188ea",
  "rgb": {
    "r": 65,
    "g": 136,
    "b": 234
  },
  "hsl": {
    "h": 214.793,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.62999,
    "c": 0.16405,
    "h": 257.2
  },
  "luminance": 0.24673
}

Semantic roles & 50–950 ramp

primary

#4188EA

secondary

#E5C9A2

accent

#A431F7

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4188EA

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

Preview Lab → · Contrast checker → · Palette generator →