#4189B9#4189B9

#4189B9 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.103 H 240.6°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4189B9
RGB	rgb(65, 137, 185)
HSL	hsl(204, 48%, 49%)
HSV	hsv(204, 65%, 73%)
CMYK	cmyk(64.9%, 25.9%, 0%, 27.5%)
CIE-LAB	lab(54.57, -7.39, -31.79)
CIE-LCH	lch(54.57, 32.63, 256.92°)
OKLab	oklab(60.48% -0.0504 -0.0894)
OKLCH	oklch(60.48% 0.103 240.6)
XYZ	xyz(19.8793, 22.5159, 49.1879)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189B9 #B97141

analogous

#41B9AD #4189B9 #414DB9

triadic

#4189B9 #B94189 #89B941

tetradic

#4189B9 #AD41B9 #B97141 #4DB941

square

#4189B9 #AD41B9 #B97141 #4DB941

split-complementary

#4189B9 #B9414D #B9AD41

monochromatic

#21465E #31678C #4189B9 #6CA5CB #99C1DB

Accessibility & contrast

On white

3.82

#4189B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#4189B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189B9

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189B9	#FFFFFF	#000000	##000000
##4189B9	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7389BB

Deuteranopia (green-blind)

#637DB8

Tritanopia (blue-blind)

#009599

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4189b9;
/* rgb */ color: rgb(65, 137, 185);
/* oklch */ color: oklch(60.5% 0.103 240.6);

Tailwind

colors: {
  custom: {
    50: '#82abce',
    500: '#4189b9',
    950: '#000000',
  },
}

SCSS

$custom: #4189b9;
$custom-light: #82abce;
$custom-dark: #000000;

JSON

{
  "hex": "#4189b9",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 185
  },
  "hsl": {
    "h": 204,
    "s": 48,
    "l": 49.02
  },
  "oklch": {
    "l": 0.60484,
    "c": 0.10262,
    "h": 240.6
  },
  "luminance": 0.22518
}

Semantic roles & 50–950 ramp

primary

#4189B9

secondary

#C7A58F

accent

#8650D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4189B9

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

Preview Lab → · Contrast checker → · Palette generator →