#4088E8#4088E8

#4088E8 is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.8% C 0.162 H 256.6°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4088E8
RGB	rgb(64, 136, 232)
HSL	hsl(214, 79%, 58%)
HSV	hsv(214, 72%, 91%)
CMYK	cmyk(72.4%, 41.4%, 0%, 9%)
CIE-LAB	lab(56.61, 9.43, -55.08)
CIE-LCH	lch(56.61, 55.88, 279.72°)
OKLab	oklab(62.84% -0.0375 -0.1574)
OKLCH	oklch(62.84% 0.162 256.6)
XYZ	xyz(25.4787, 24.5217, 79.7187)
Luminance	0.2452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088E8 #E8A040

analogous

#40DCE8 #4088E8 #4C40E8

triadic

#4088E8 #E84088 #88E840

tetradic

#4088E8 #E840DC #E8A040 #40E84C

square

#4088E8 #E840DC #E8A040 #40E84C

split-complementary

#4088E8 #E84C40 #DCE840

monochromatic

#134D9B #1968D2 #4088E8 #77AAEF #ADCCF5

Accessibility & contrast

On white

3.56

#4088E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#4088E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088E8

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088E8	#FFFFFF	#000000	##000000
##4088E8	1.00	3.56	5.91	5.91
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A90EC

Deuteranopia (green-blind)

#3D81E6

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4088e8;
/* rgb */ color: rgb(64, 136, 232);
/* oklch */ color: oklch(62.8% 0.162 256.6);

Tailwind

colors: {
  custom: {
    50: '#89aaf0',
    500: '#4088e8',
    950: '#000000',
  },
}

SCSS

$custom: #4088e8;
$custom-light: #89aaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4088e8",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 232
  },
  "hsl": {
    "h": 214.286,
    "s": 78.505,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6284,
    "c": 0.1618,
    "h": 256.6
  },
  "luminance": 0.24525
}

Semantic roles & 50–950 ramp

primary

#4088E8

secondary

#E3C7A0

accent

#A233F5

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4088E8

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

Preview Lab → · Contrast checker → · Palette generator →