#4088CF#4088CF

#4088CF is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.4% C 0.130 H 250.5°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4088CF
RGB	rgb(64, 136, 207)
HSL	hsl(210, 60%, 53%)
HSV	hsv(210, 69%, 81%)
CMYK	cmyk(69.1%, 34.3%, 0%, 18.8%)
CIE-LAB	lab(55.28, 0.58, -43.17)
CIE-LCH	lch(55.28, 43.17, 270.77°)
OKLab	oklab(61.37% -0.0434 -0.1225)
OKLCH	oklch(61.37% 0.13 250.5)
XYZ	xyz(22.1768, 23.2009, 62.3289)
Luminance	0.2320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088CF #CF8740

analogous

#40CFCE #4088CF #4040CF

triadic

#4088CF #CF4088 #88CF40

tetradic

#4088CF #CE40CF #CF8740 #40CF40

square

#4088CF #CE40CF #CF8740 #40CF40

split-complementary

#4088CF #CF4040 #CFCE40

monochromatic

#1E4B77 #2A69A8 #4088CF #71A6DB #A2C5E8

Accessibility & contrast

On white

3.72

#4088CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#4088CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088CF

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088CF	#FFFFFF	#000000	##000000
##4088CF	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688CD2

Deuteranopia (green-blind)

#547ECE

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4088cf;
/* rgb */ color: rgb(64, 136, 207);
/* oklch */ color: oklch(61.4% 0.130 250.5);

Tailwind

colors: {
  custom: {
    50: '#85aade',
    500: '#4088cf',
    950: '#000000',
  },
}

SCSS

$custom: #4088cf;
$custom-light: #85aade;
$custom-dark: #000000;

JSON

{
  "hex": "#4088cf",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 207
  },
  "hsl": {
    "h": 209.79,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.61372,
    "c": 0.12997,
    "h": 250.5
  },
  "luminance": 0.23203
}

Semantic roles & 50–950 ramp

primary

#4088CF

secondary

#D4B597

accent

#9345E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4088CF

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

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