#4183B7#4183B7

#4183B7 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.0% C 0.105 H 244.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4183B7
RGB	rgb(65, 131, 183)
HSL	hsl(206, 48%, 49%)
HSV	hsv(206, 64%, 72%)
CMYK	cmyk(64.5%, 28.4%, 0%, 28.2%)
CIE-LAB	lab(52.70, -4.59, -33.56)
CIE-LCH	lch(52.70, 33.87, 262.21°)
OKLab	oklab(58.98% -0.0446 -0.0946)
OKLCH	oklch(58.98% 0.105 244.7)
XYZ	xyz(18.8403, 20.7734, 47.8073)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183B7 #B77541

analogous

#41B7B0 #4183B7 #4148B7

triadic

#4183B7 #B74183 #83B741

tetradic

#4183B7 #B041B7 #B77541 #48B741

square

#4183B7 #B041B7 #B77541 #48B741

split-complementary

#4183B7 #B74148 #B7B041

monochromatic

#21425D #31638A #4183B7 #6BA0CA #98BDDA

Accessibility & contrast

On white

4.07

#4183B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#4183B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183B7

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183B7	#FFFFFF	#000000	##000000
##4183B7	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C84B9

Deuteranopia (green-blind)

#5C79B6

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4183b7;
/* rgb */ color: rgb(65, 131, 183);
/* oklch */ color: oklch(59.0% 0.105 244.7);

Tailwind

colors: {
  custom: {
    50: '#81a6cd',
    500: '#4183b7',
    950: '#000000',
  },
}

SCSS

$custom: #4183b7;
$custom-light: #81a6cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4183b7",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 183
  },
  "hsl": {
    "h": 206.441,
    "s": 47.581,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58976,
    "c": 0.10459,
    "h": 244.7
  },
  "luminance": 0.20775
}

Semantic roles & 50–950 ramp

primary

#4183B7

secondary

#C6A78E

accent

#8C51D7

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4183B7

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

Preview Lab → · Contrast checker → · Palette generator →