#4182B2#4182B2

#4182B2 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.5% C 0.100 H 243.0°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4182B2
RGB	rgb(65, 130, 178)
HSL	hsl(205, 47%, 48%)
HSV	hsv(205, 63%, 70%)
CMYK	cmyk(63.5%, 27%, 0%, 30.2%)
CIE-LAB	lab(52.18, -5.70, -31.51)
CIE-LCH	lch(52.18, 32.02, 259.75°)
OKLab	oklab(58.49% -0.0452 -0.0887)
OKLCH	oklch(58.49% 0.1 243)
XYZ	xyz(18.1955, 20.3016, 45.0706)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182B2 #B27141

analogous

#41B2AA #4182B2 #4149B2

triadic

#4182B2 #B24182 #82B241

tetradic

#4182B2 #AA41B2 #B27141 #49B241

square

#4182B2 #AA41B2 #B27141 #49B241

split-complementary

#4182B2 #B24149 #B2AA41

monochromatic

#204158 #316185 #4182B2 #689FC8 #95BCD8

Accessibility & contrast

On white

4.15

#4182B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#4182B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182B2

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182B2	#FFFFFF	#000000	##000000
##4182B2	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D83B4

Deuteranopia (green-blind)

#5D77B1

Tritanopia (blue-blind)

#008E93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4182b2;
/* rgb */ color: rgb(65, 130, 178);
/* oklch */ color: oklch(58.5% 0.100 243.0);

Tailwind

colors: {
  custom: {
    50: '#80a6c9',
    500: '#4182b2',
    950: '#000000',
  },
}

SCSS

$custom: #4182b2;
$custom-light: #80a6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4182b2",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 178
  },
  "hsl": {
    "h": 205.487,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58487,
    "c": 0.0995,
    "h": 243
  },
  "luminance": 0.20303
}

Semantic roles & 50–950 ramp

primary

#4182B2

secondary

#C4A38B

accent

#8A52D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4182B2

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

Preview Lab → · Contrast checker → · Palette generator →