#4088DF#4088DF

#4088DF is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.3% C 0.150 H 254.8°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4088DF
RGB	rgb(64, 136, 223)
HSL	hsl(213, 71%, 56%)
HSV	hsv(213, 71%, 87%)
CMYK	cmyk(71.3%, 39%, 0%, 12.5%)
CIE-LAB	lab(56.11, 6.22, -50.84)
CIE-LCH	lch(56.11, 51.22, 276.98°)
OKLab	oklab(62.3% -0.0394 -0.145)
OKLCH	oklch(62.3% 0.15 254.8)
XYZ	xyz(24.2329, 24.0234, 73.1576)
Luminance	0.2403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088DF #DF9740

analogous

#40D8DF #4088DF #4840DF

triadic

#4088DF #DF4088 #88DF40

tetradic

#4088DF #DF40D8 #DF9740 #40DF48

square

#4088DF #DF40D8 #DF9740 #40DF48

split-complementary

#4088DF #DF4840 #D8DF40

monochromatic

#184D8D #2069C1 #4088DF #74A9E8 #A9C9F1

Accessibility & contrast

On white

3.62

#4088DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#4088DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088DF

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088DF	#FFFFFF	#000000	##000000
##4088DF	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608FE2

Deuteranopia (green-blind)

#4780DD

Tritanopia (blue-blind)

#009CA9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4088df;
/* rgb */ color: rgb(64, 136, 223);
/* oklch */ color: oklch(62.3% 0.150 254.8);

Tailwind

colors: {
  custom: {
    50: '#87aae9',
    500: '#4088df',
    950: '#000000',
  },
}

SCSS

$custom: #4088df;
$custom-light: #87aae9;
$custom-dark: #000000;

JSON

{
  "hex": "#4088df",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 223
  },
  "hsl": {
    "h": 212.83,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62295,
    "c": 0.15023,
    "h": 254.8
  },
  "luminance": 0.24026
}

Semantic roles & 50–950 ramp

primary

#4088DF

secondary

#DEC09D

accent

#9C3AEE

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4088DF

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

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