#4089BC#4089BC

#4089BC is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.106 H 241.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4089BC
RGB	rgb(64, 137, 188)
HSL	hsl(205, 49%, 49%)
HSV	hsv(205, 66%, 74%)
CMYK	cmyk(66%, 27.1%, 0%, 26.3%)
CIE-LAB	lab(54.67, -6.55, -33.35)
CIE-LCH	lch(54.67, 33.99, 258.89°)
OKLab	oklab(60.6% -0.05 -0.0939)
OKLCH	oklch(60.6% 0.106 241.9)
XYZ	xyz(20.1337, 22.6101, 50.8703)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089BC #BC7340

analogous

#40BCB1 #4089BC #404BBC

triadic

#4089BC #BC4089 #89BC40

tetradic

#4089BC #B140BC #BC7340 #4BBC40

square

#4089BC #B140BC #BC7340 #4BBC40

split-complementary

#4089BC #BC404B #BCB140

monochromatic

#214661 #30688E #4089BC #6CA5CD #9AC1DD

Accessibility & contrast

On white

3.80

#4089BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4089BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089BC

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089BC	#FFFFFF	#000000	##000000
##4089BC	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728ABE

Deuteranopia (green-blind)

#617DBB

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4089bc;
/* rgb */ color: rgb(64, 137, 188);
/* oklch */ color: oklch(60.6% 0.106 241.9);

Tailwind

colors: {
  custom: {
    50: '#82abd0',
    500: '#4089bc',
    950: '#000000',
  },
}

SCSS

$custom: #4089bc;
$custom-light: #82abd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4089bc",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 188
  },
  "hsl": {
    "h": 204.677,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60595,
    "c": 0.10643,
    "h": 241.9
  },
  "luminance": 0.22612
}

Semantic roles & 50–950 ramp

primary

#4089BC

secondary

#C9A78F

accent

#884FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #4089BC

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

Preview Lab → · Contrast checker → · Palette generator →