#4183BE#4183BE

#4183BE is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.3% C 0.113 H 247.9°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4183BE
RGB	rgb(65, 131, 190)
HSL	hsl(208, 49%, 50%)
HSV	hsv(208, 66%, 75%)
CMYK	cmyk(65.8%, 31.1%, 0%, 25.5%)
CIE-LAB	lab(53.03, -2.20, -37.06)
CIE-LCH	lch(53.03, 37.12, 266.60°)
OKLab	oklab(59.34% -0.0425 -0.1047)
OKLCH	oklch(59.34% 0.113 247.9)
XYZ	xyz(19.5871, 21.0721, 51.7403)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183BE #BE7C41

analogous

#41BEBB #4183BE #4144BE

triadic

#4183BE #BE4183 #83BE41

tetradic

#4183BE #BB41BE #BE7C41 #44BE41

square

#4183BE #BB41BE #BE7C41 #44BE41

split-complementary

#4183BE #BE4144 #BEBB41

monochromatic

#224463 #316490 #4183BE #6FA1CE #9CBFDD

Accessibility & contrast

On white

4.03

#4183BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#4183BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183BE

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183BE	#FFFFFF	#000000	##000000
##4183BE	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985C1

Deuteranopia (green-blind)

#5879BD

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4183be;
/* rgb */ color: rgb(65, 131, 190);
/* oklch */ color: oklch(59.3% 0.113 247.9);

Tailwind

colors: {
  custom: {
    50: '#82a6d2',
    500: '#4183be',
    950: '#000000',
  },
}

SCSS

$custom: #4183be;
$custom-light: #82a6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4183be",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 190
  },
  "hsl": {
    "h": 208.32,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.59342,
    "c": 0.11302,
    "h": 247.9
  },
  "luminance": 0.21074
}

Semantic roles & 50–950 ramp

primary

#4183BE

secondary

#C9AC91

accent

#904FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4183BE

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

Preview Lab → · Contrast checker → · Palette generator →