#4089BB#4089BB

#4089BB is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.5% C 0.105 H 241.4°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4089BB
RGB	rgb(64, 137, 187)
HSL	hsl(204, 49%, 49%)
HSV	hsv(204, 66%, 73%)
CMYK	cmyk(65.8%, 26.7%, 0%, 26.7%)
CIE-LAB	lab(54.62, -6.89, -32.85)
CIE-LCH	lch(54.62, 33.56, 258.16°)
OKLab	oklab(60.55% -0.0504 -0.0925)
OKLCH	oklch(60.55% 0.105 241.4)
XYZ	xyz(20.0262, 22.5671, 50.3046)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089BB #BB7240

analogous

#40BBB0 #4089BB #404CBB

triadic

#4089BB #BB4089 #89BB40

tetradic

#4089BB #B040BB #BB7240 #4CBB40

square

#4089BB #B040BB #BB7240 #4CBB40

split-complementary

#4089BB #BB404C #BBB040

monochromatic

#214660 #30688D #4089BB #6CA5CD #99C1DC

Accessibility & contrast

On white

3.81

#4089BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#4089BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089BB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089BB	#FFFFFF	#000000	##000000
##4089BB	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7289BD

Deuteranopia (green-blind)

#627DBA

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4089bb;
/* rgb */ color: rgb(64, 137, 187);
/* oklch */ color: oklch(60.5% 0.105 241.4);

Tailwind

colors: {
  custom: {
    50: '#82abcf',
    500: '#4089bb',
    950: '#000000',
  },
}

SCSS

$custom: #4089bb;
$custom-light: #82abcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4089bb",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 187
  },
  "hsl": {
    "h": 204.39,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60545,
    "c": 0.10531,
    "h": 241.4
  },
  "luminance": 0.22569
}

Semantic roles & 50–950 ramp

primary

#4089BB

secondary

#C8A68F

accent

#874FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #4089BB

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

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