#5187BF#5187BF

#5187BF is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 61.0% C 0.103 H 250.7°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5187BF
RGB	rgb(81, 135, 191)
HSL	hsl(211, 46%, 53%)
HSV	hsv(211, 58%, 75%)
CMYK	cmyk(57.6%, 29.3%, 0%, 25.1%)
CIE-LAB	lab(54.90, -1.17, -34.64)
CIE-LCH	lch(54.90, 34.66, 268.07°)
OKLab	oklab(61.02% -0.0342 -0.0975)
OKLCH	oklch(61.02% 0.103 250.7)
XYZ	xyz(21.4579, 22.8370, 52.5573)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5187BF #BF8951

analogous

#51BEBF #5187BF #5251BF

triadic

#5187BF #BF5187 #87BF51

tetradic

#5187BF #BF51BE #BF8951 #51BF52

square

#5187BF #BF51BE #BF8951 #51BF52

split-complementary

#5187BF #BF5251 #BEBF51

monochromatic

#284A6D #39699A #5187BF #7EA6CF #AAC5E0

Accessibility & contrast

On white

3.77

#5187BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#5187BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5187BF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5187BF	#FFFFFF	#000000	##000000
##5187BF	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7089C1

Deuteranopia (green-blind)

#617FBE

Tritanopia (blue-blind)

#00949B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5187bf;
/* rgb */ color: rgb(81, 135, 191);
/* oklch */ color: oklch(61.0% 0.103 250.7);

Tailwind

colors: {
  custom: {
    50: '#8aa9d2',
    500: '#5187bf',
    950: '#000000',
  },
}

SCSS

$custom: #5187bf;
$custom-light: #8aa9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5187bf",
  "rgb": {
    "r": 81,
    "g": 135,
    "b": 191
  },
  "hsl": {
    "h": 210.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61015,
    "c": 0.1033,
    "h": 250.7
  },
  "luminance": 0.22839
}

Semantic roles & 50–950 ramp

primary

#5187BF

secondary

#CEB69E

accent

#9552D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5187BF

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

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