#5183BB#5183BB

#5183BB is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.102 H 252.3°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#5183BB
RGB	rgb(81, 131, 187)
HSL	hsl(212, 44%, 53%)
HSV	hsv(212, 57%, 73%)
CMYK	cmyk(56.7%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(53.57, -0.12, -34.45)
CIE-LCH	lch(53.57, 34.45, 269.81°)
OKLab	oklab(59.9% -0.0309 -0.0969)
OKLCH	oklch(59.9% 0.102 252.3)
XYZ	xyz(20.4761, 21.5681, 50.0881)
Luminance	0.2157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183BB #BB8951

analogous

#51B8BB #5183BB #5451BB

triadic

#5183BB #BB5183 #83BB51

tetradic

#5183BB #BB51B8 #BB8951 #51BB54

square

#5183BB #BB51B8 #BB8951 #51BB54

split-complementary

#5183BB #BB5451 #B8BB51

monochromatic

#294769 #3A6595 #5183BB #7DA2CC #A9C2DD

Accessibility & contrast

On white

3.95

#5183BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#5183BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183BB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183BB	#FFFFFF	#000000	##000000
##5183BB	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C86BD

Deuteranopia (green-blind)

#5E7BBA

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5183bb;
/* rgb */ color: rgb(81, 131, 187);
/* oklch */ color: oklch(59.9% 0.102 252.3);

Tailwind

colors: {
  custom: {
    50: '#8aa6cf',
    500: '#5183bb',
    950: '#000000',
  },
}

SCSS

$custom: #5183bb;
$custom-light: #8aa6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5183bb",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 211.698,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59904,
    "c": 0.10174,
    "h": 252.3
  },
  "luminance": 0.2157
}

Semantic roles & 50–950 ramp

primary

#5183BB

secondary

#CBB59D

accent

#9854D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5183BB

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

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