#5183BF#5183BF

#5183BF is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 60.1% C 0.107 H 253.9°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5183BF
RGB	rgb(81, 131, 191)
HSL	hsl(213, 46%, 53%)
HSV	hsv(213, 58%, 75%)
CMYK	cmyk(57.6%, 31.4%, 0%, 25.1%)
CIE-LAB	lab(53.75, 1.19, -36.44)
CIE-LCH	lch(53.75, 36.46, 271.86°)
OKLab	oklab(60.11% -0.0297 -0.1027)
OKLCH	oklch(60.11% 0.107 253.9)
XYZ	xyz(20.9103, 21.7417, 52.3748)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183BF #BF8D51

analogous

#51BABF #5183BF #5651BF

triadic

#5183BF #BF5183 #83BF51

tetradic

#5183BF #BF51BA #BF8D51 #51BF56

square

#5183BF #BF51BA #BF8D51 #51BF56

split-complementary

#5183BF #BF5651 #BABF51

monochromatic

#28486D #39659A #5183BF #7EA3CF #AAC3E0

Accessibility & contrast

On white

3.93

#5183BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#5183BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183BF

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183BF	#FFFFFF	#000000	##000000
##5183BF	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A86C2

Deuteranopia (green-blind)

#5C7CBE

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5183bf;
/* rgb */ color: rgb(81, 131, 191);
/* oklch */ color: oklch(60.1% 0.107 253.9);

Tailwind

colors: {
  custom: {
    50: '#8aa6d2',
    500: '#5183bf',
    950: '#000000',
  },
}

SCSS

$custom: #5183bf;
$custom-light: #8aa6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5183bf",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 191
  },
  "hsl": {
    "h": 212.727,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.60111,
    "c": 0.10694,
    "h": 253.9
  },
  "luminance": 0.21744
}

Semantic roles & 50–950 ramp

primary

#5183BF

secondary

#CEB89E

accent

#9A52D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5183BF

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

Preview Lab → · Contrast checker → · Palette generator →