#4089B1#4089B1

#4089B1 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.1% C 0.095 H 235.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4089B1
RGB	rgb(64, 137, 177)
HSL	hsl(201, 47%, 47%)
HSV	hsv(201, 64%, 69%)
CMYK	cmyk(63.8%, 22.6%, 0%, 30.6%)
CIE-LAB	lab(54.19, -10.23, -27.81)
CIE-LCH	lch(54.19, 29.63, 249.81°)
OKLab	oklab(60.06% -0.0538 -0.0779)
OKLCH	oklch(60.06% 0.095 235.4)
XYZ	xyz(18.9928, 22.1537, 44.8616)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089B1 #B16840

analogous

#40B1A1 #4089B1 #4051B1

triadic

#4089B1 #B14089 #89B140

tetradic

#4089B1 #A140B1 #B16840 #51B140

square

#4089B1 #A140B1 #B16840 #51B140

split-complementary

#4089B1 #B14051 #B1A140

monochromatic

#1F4357 #306684 #4089B1 #66A5C8 #93C0D8

Accessibility & contrast

On white

3.87

#4089B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#4089B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089B1

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089B1	#FFFFFF	#000000	##000000
##4089B1	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B3

Deuteranopia (green-blind)

#667DB0

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4089b1;
/* rgb */ color: rgb(64, 137, 177);
/* oklch */ color: oklch(60.1% 0.095 235.4);

Tailwind

colors: {
  custom: {
    50: '#80abc8',
    500: '#4089b1',
    950: '#000000',
  },
}

SCSS

$custom: #4089b1;
$custom-light: #80abc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4089b1",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 177
  },
  "hsl": {
    "h": 201.239,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.60058,
    "c": 0.09471,
    "h": 235.4
  },
  "luminance": 0.22156
}

Semantic roles & 50–950 ramp

primary

#4089B1

secondary

#C39E89

accent

#8051D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4089B1

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

Preview Lab → · Contrast checker → · Palette generator →