#4089B7#4089B7

#4089B7 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.3% C 0.101 H 239.2°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4089B7
RGB	rgb(64, 137, 183)
HSL	hsl(203, 48%, 48%)
HSV	hsv(203, 65%, 72%)
CMYK	cmyk(65%, 25.1%, 0%, 28.2%)
CIE-LAB	lab(54.45, -8.23, -30.84)
CIE-LCH	lch(54.45, 31.92, 255.06°)
OKLab	oklab(60.35% -0.0517 -0.0867)
OKLCH	oklch(60.35% 0.101 239.2)
XYZ	xyz(19.6040, 22.3982, 48.0807)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089B7 #B76E40

analogous

#40B7A9 #4089B7 #404EB7

triadic

#4089B7 #B74089 #89B740

tetradic

#4089B7 #A940B7 #B76E40 #4EB740

square

#4089B7 #A940B7 #B76E40 #4EB740

split-complementary

#4089B7 #B7404E #B7A940

monochromatic

#20455C #30678A #4089B7 #69A5CB #97C0DB

Accessibility & contrast

On white

3.83

#4089B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4089B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089B7

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089B7	#FFFFFF	#000000	##000000
##4089B7	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7489B9

Deuteranopia (green-blind)

#647DB6

Tritanopia (blue-blind)

#009599

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4089b7;
/* rgb */ color: rgb(64, 137, 183);
/* oklch */ color: oklch(60.3% 0.101 239.2);

Tailwind

colors: {
  custom: {
    50: '#81abcc',
    500: '#4089b7',
    950: '#000000',
  },
}

SCSS

$custom: #4089b7;
$custom-light: #81abcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4089b7",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 183
  },
  "hsl": {
    "h": 203.193,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60347,
    "c": 0.10093,
    "h": 239.2
  },
  "luminance": 0.224
}

Semantic roles & 50–950 ramp

primary

#4089B7

secondary

#C6A38D

accent

#8550D8

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4089B7

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

Preview Lab → · Contrast checker → · Palette generator →