#4189BB#4189BB

#4189BB is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.105 H 241.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4189BB
RGB	rgb(65, 137, 187)
HSL	hsl(205, 48%, 49%)
HSV	hsv(205, 65%, 73%)
CMYK	cmyk(65.2%, 26.7%, 0%, 26.7%)
CIE-LAB	lab(54.66, -6.71, -32.79)
CIE-LCH	lch(54.66, 33.47, 258.43°)
OKLab	oklab(60.58% -0.0497 -0.0923)
OKLCH	oklch(60.58% 0.105 241.7)
XYZ	xyz(20.0919, 22.6009, 50.3076)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189BB #BB7341

analogous

#41BBB0 #4189BB #414CBB

triadic

#4189BB #BB4189 #89BB41

tetradic

#4189BB #B041BB #BB7341 #4CBB41

square

#4189BB #B041BB #BB7341 #4CBB41

split-complementary

#4189BB #BB414C #BBB041

monochromatic

#214660 #31688E #4189BB #6DA5CC #9AC1DC

Accessibility & contrast

On white

3.80

#4189BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4189BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189BB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189BB	#FFFFFF	#000000	##000000
##4189BB	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)

#7289BD

Deuteranopia (green-blind)

#627DBA

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4189bb;
/* rgb */ color: rgb(65, 137, 187);
/* oklch */ color: oklch(60.6% 0.105 241.7);

Tailwind

colors: {
  custom: {
    50: '#82abcf',
    500: '#4189bb',
    950: '#000000',
  },
}

SCSS

$custom: #4189bb;
$custom-light: #82abcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4189bb",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 187
  },
  "hsl": {
    "h": 204.59,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60583,
    "c": 0.10483,
    "h": 241.7
  },
  "luminance": 0.22603
}

Semantic roles & 50–950 ramp

primary

#4189BB

secondary

#C8A790

accent

#8850D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #4189BB

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

Preview Lab → · Contrast checker → · Palette generator →