#4089CE#4089CE

#4089CE is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.128 H 249.6°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#4089CE
RGB	rgb(64, 137, 206)
HSL	hsl(209, 59%, 53%)
HSV	hsv(209, 69%, 81%)
CMYK	cmyk(68.9%, 33.5%, 0%, 19.2%)
CIE-LAB	lab(55.52, -0.36, -42.23)
CIE-LCH	lch(55.52, 42.23, 269.51°)
OKLab	oklab(61.54% -0.0446 -0.1197)
OKLCH	oklch(61.54% 0.128 249.6)
XYZ	xyz(22.1964, 23.4352, 61.7342)
Luminance	0.2344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089CE #CE8540

analogous

#40CECC #4089CE #4042CE

triadic

#4089CE #CE4089 #89CE40

tetradic

#4089CE #CC40CE #CE8540 #42CE40

square

#4089CE #CC40CE #CE8540 #42CE40

split-complementary

#4089CE #CE4042 #CECC40

monochromatic

#1E4B75 #2B6AA6 #4089CE #71A7DA #A1C5E7

Accessibility & contrast

On white

3.69

#4089CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#4089CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089CE

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089CE	#FFFFFF	#000000	##000000
##4089CE	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8CD1

Deuteranopia (green-blind)

#567FCD

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4089ce;
/* rgb */ color: rgb(64, 137, 206);
/* oklch */ color: oklch(61.5% 0.128 249.6);

Tailwind

colors: {
  custom: {
    50: '#84abdd',
    500: '#4089ce',
    950: '#000000',
  },
}

SCSS

$custom: #4089ce;
$custom-light: #84abdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4089ce",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 206
  },
  "hsl": {
    "h": 209.155,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61544,
    "c": 0.12779,
    "h": 249.6
  },
  "luminance": 0.23438
}

Semantic roles & 50–950 ramp

primary

#4089CE

secondary

#D4B496

accent

#9245E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4089CE

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

Preview Lab → · Contrast checker → · Palette generator →