#5191BD#5191BD

#5191BD is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.2% C 0.094 H 240.5°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#5191BD
RGB	rgb(81, 145, 189)
HSL	hsl(204, 45%, 53%)
HSV	hsv(204, 57%, 74%)
CMYK	cmyk(57.1%, 23.3%, 0%, 25.9%)
CIE-LAB	lab(57.72, -7.56, -29.11)
CIE-LCH	lch(57.72, 30.08, 255.45°)
OKLab	oklab(63.21% -0.0461 -0.0815)
OKLCH	oklch(63.21% 0.094 240.5)
XYZ	xyz(22.7007, 25.6722, 51.8932)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191BD #BD7D51

analogous

#51BDB3 #5191BD #515BBD

triadic

#5191BD #BD5191 #91BD51

tetradic

#5191BD #B351BD #BD7D51 #5BBD51

square

#5191BD #B351BD #BD7D51 #5BBD51

split-complementary

#5191BD #BD515B #BDB351

monochromatic

#29506B #397197 #5191BD #7DADCE #AAC9DF

Accessibility & contrast

On white

3.42

#5191BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#5191BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191BD

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191BD	#FFFFFF	#000000	##000000
##5191BD	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91BF

Deuteranopia (green-blind)

#6F86BC

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5191bd;
/* rgb */ color: rgb(81, 145, 189);
/* oklch */ color: oklch(63.2% 0.094 240.5);

Tailwind

colors: {
  custom: {
    50: '#8ab1d1',
    500: '#5191bd',
    950: '#000000',
  },
}

SCSS

$custom: #5191bd;
$custom-light: #8ab1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5191bd",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 204.444,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.6321,
    "c": 0.09363,
    "h": 240.5
  },
  "luminance": 0.25674
}

Semantic roles & 50–950 ramp

primary

#5191BD

secondary

#CCB19E

accent

#8853D5

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #5191BD

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

Preview Lab → · Contrast checker → · Palette generator →