#4089B8#4089B8

#4089B8 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.102 H 239.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4089B8
RGB	rgb(64, 137, 184)
HSL	hsl(204, 48%, 49%)
HSV	hsv(204, 65%, 72%)
CMYK	cmyk(65.2%, 25.5%, 0%, 27.8%)
CIE-LAB	lab(54.49, -7.90, -31.34)
CIE-LCH	lch(54.49, 32.32, 255.86°)
OKLab	oklab(60.4% -0.0514 -0.0881)
OKLCH	oklch(60.4% 0.102 239.8)
XYZ	xyz(19.7084, 22.4400, 48.6308)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089B8 #B86F40

analogous

#40B8AB #4089B8 #404DB8

triadic

#4089B8 #B84089 #89B840

tetradic

#4089B8 #AB40B8 #B86F40 #4DB840

square

#4089B8 #AB40B8 #B86F40 #4DB840

split-complementary

#4089B8 #B8404D #B8AB40

monochromatic

#20455D #30678B #4089B8 #6AA5CB #97C1DB

Accessibility & contrast

On white

3.83

#4089B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#4089B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089B8

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089B8	#FFFFFF	#000000	##000000
##4089B8	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7389BA

Deuteranopia (green-blind)

#637DB7

Tritanopia (blue-blind)

#009599

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4089b8;
/* rgb */ color: rgb(64, 137, 184);
/* oklch */ color: oklch(60.4% 0.102 239.8);

Tailwind

colors: {
  custom: {
    50: '#81abcd',
    500: '#4089b8',
    950: '#000000',
  },
}

SCSS

$custom: #4089b8;
$custom-light: #81abcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4089b8",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 184
  },
  "hsl": {
    "h": 203.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60396,
    "c": 0.10201,
    "h": 239.8
  },
  "luminance": 0.22442
}

Semantic roles & 50–950 ramp

primary

#4089B8

secondary

#C7A48D

accent

#8550D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4089B8

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

Preview Lab → · Contrast checker → · Palette generator →