#5183BC#5183BC

#5183BC is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 60.0% C 0.103 H 252.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5183BC
RGB	rgb(81, 131, 188)
HSL	hsl(212, 44%, 53%)
HSV	hsv(212, 57%, 74%)
CMYK	cmyk(56.9%, 30.3%, 0%, 26.3%)
CIE-LAB	lab(53.61, 0.21, -34.95)
CIE-LCH	lch(53.61, 34.95, 270.34°)
OKLab	oklab(59.96% -0.0306 -0.0984)
OKLCH	oklch(59.96% 0.103 252.7)
XYZ	xyz(20.5835, 21.6110, 50.6538)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183BC #BC8A51

analogous

#51B8BC #5183BC #5551BC

triadic

#5183BC #BC5183 #83BC51

tetradic

#5183BC #BC51B8 #BC8A51 #51BC55

square

#5183BC #BC51B8 #BC8A51 #51BC55

split-complementary

#5183BC #BC5551 #B8BC51

monochromatic

#29476A #3A6596 #5183BC #7DA2CD #A9C2DE

Accessibility & contrast

On white

3.95

#5183BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#5183BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183BC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183BC	#FFFFFF	#000000	##000000
##5183BC	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B86BE

Deuteranopia (green-blind)

#5E7BBB

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5183bc;
/* rgb */ color: rgb(81, 131, 188);
/* oklch */ color: oklch(60.0% 0.103 252.7);

Tailwind

colors: {
  custom: {
    50: '#8aa6d0',
    500: '#5183bc',
    950: '#000000',
  },
}

SCSS

$custom: #5183bc;
$custom-light: #8aa6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5183bc",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 188
  },
  "hsl": {
    "h": 211.963,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59956,
    "c": 0.10304,
    "h": 252.7
  },
  "luminance": 0.21613
}

Semantic roles & 50–950 ramp

primary

#5183BC

secondary

#CCB69D

accent

#9854D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5183BC

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

Preview Lab → · Contrast checker → · Palette generator →