#4182BB#4182BB

#4182BB is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.0% C 0.110 H 247.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4182BB
RGB	rgb(65, 130, 187)
HSL	hsl(208, 48%, 49%)
HSV	hsv(208, 65%, 73%)
CMYK	cmyk(65.2%, 30.5%, 0%, 26.7%)
CIE-LAB	lab(52.59, -2.64, -36.02)
CIE-LCH	lch(52.59, 36.12, 265.81°)
OKLab	oklab(58.95% -0.0423 -0.1017)
OKLCH	oklch(58.95% 0.11 247.4)
XYZ	xyz(19.1289, 20.6750, 49.9866)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182BB #BB7A41

analogous

#41BBB7 #4182BB #4145BB

triadic

#4182BB #BB4182 #82BB41

tetradic

#4182BB #B741BB #BB7A41 #45BB41

square

#4182BB #B741BB #BB7A41 #45BB41

split-complementary

#4182BB #BB4145 #BBB741

monochromatic

#214360 #31628E #4182BB #6DA0CC #9ABDDC

Accessibility & contrast

On white

4.09

#4182BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#4182BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182BB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182BB	#FFFFFF	#000000	##000000
##4182BB	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BD

Deuteranopia (green-blind)

#5878BA

Tritanopia (blue-blind)

#009096

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4182bb;
/* rgb */ color: rgb(65, 130, 187);
/* oklch */ color: oklch(59.0% 0.110 247.4);

Tailwind

colors: {
  custom: {
    50: '#82a6cf',
    500: '#4182bb',
    950: '#000000',
  },
}

SCSS

$custom: #4182bb;
$custom-light: #82a6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4182bb",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 187
  },
  "hsl": {
    "h": 208.033,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58952,
    "c": 0.1102,
    "h": 247.4
  },
  "luminance": 0.20677
}

Semantic roles & 50–950 ramp

primary

#4182BB

secondary

#C8AA90

accent

#8F50D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4182BB

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

Preview Lab → · Contrast checker → · Palette generator →