#4187E8#4187E8

#4187E8 is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.7% C 0.163 H 257.2°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4187E8
RGB	rgb(65, 135, 232)
HSL	hsl(215, 78%, 58%)
HSV	hsv(215, 72%, 91%)
CMYK	cmyk(72%, 41.8%, 0%, 9%)
CIE-LAB	lab(56.36, 10.17, -55.46)
CIE-LCH	lch(56.36, 56.39, 280.39°)
OKLab	oklab(62.66% -0.0359 -0.1585)
OKLCH	oklch(62.66% 0.163 257.2)
XYZ	xyz(25.4041, 24.2752, 79.6750)
Luminance	0.2428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187E8 #E8A241

analogous

#41DBE8 #4187E8 #4E41E8

triadic

#4187E8 #E84187 #87E841

tetradic

#4187E8 #E841DB #E8A241 #41E84E

square

#4187E8 #E841DB #E8A241 #41E84E

split-complementary

#4187E8 #E84E41 #DBE841

monochromatic

#134C9C #1967D2 #4187E8 #78A9EF #AECCF5

Accessibility & contrast

On white

3.59

#4187E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#4187E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187E8

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187E8	#FFFFFF	#000000	##000000
##4187E8	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588FEC

Deuteranopia (green-blind)

#3B80E6

Tritanopia (blue-blind)

#009EAC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4187e8;
/* rgb */ color: rgb(65, 135, 232);
/* oklch */ color: oklch(62.7% 0.163 257.2);

Tailwind

colors: {
  custom: {
    50: '#89a9f0',
    500: '#4187e8',
    950: '#000000',
  },
}

SCSS

$custom: #4187e8;
$custom-light: #89a9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4187e8",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 232
  },
  "hsl": {
    "h": 214.85,
    "s": 78.404,
    "l": 58.235
  },
  "oklch": {
    "l": 0.6266,
    "c": 0.16256,
    "h": 257.2
  },
  "luminance": 0.24278
}

Semantic roles & 50–950 ramp

primary

#4187E8

secondary

#E4C8A1

accent

#A433F5

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4187E8

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

Preview Lab → · Contrast checker → · Palette generator →