#5191CF#5191CF

#5191CF is a light, moderate cyan. Relative luminance 0.265; OKLCH L 64.1% C 0.115 H 249.4°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#5191CF
RGB	rgb(81, 145, 207)
HSL	hsl(210, 57%, 56%)
HSV	hsv(210, 61%, 81%)
CMYK	cmyk(60.9%, 30%, 0%, 18.8%)
CIE-LAB	lab(58.51, -1.76, -38.04)
CIE-LCH	lch(58.51, 38.08, 267.34°)
OKLab	oklab(64.09% -0.0404 -0.1073)
OKLCH	oklch(64.09% 0.115 249.4)
XYZ	xyz(24.7771, 26.5028, 62.8292)
Luminance	0.2651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191CF #CF8F51

analogous

#51CFCE #5191CF #5152CF

triadic

#5191CF #CF5191 #91CF51

tetradic

#5191CF #CE51CF #CF8F51 #52CF51

square

#5191CF #CE51CF #CF8F51 #52CF51

split-complementary

#5191CF #CF5152 #CFCE51

monochromatic

#245482 #3172B2 #5191CF #81AFDC #B1CEE9

Accessibility & contrast

On white

3.33

#5191CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#5191CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191CF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191CF	#FFFFFF	#000000	##000000
##5191CF	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7694D2

Deuteranopia (green-blind)

#6687CE

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5191cf;
/* rgb */ color: rgb(81, 145, 207);
/* oklch */ color: oklch(64.1% 0.115 249.4);

Tailwind

colors: {
  custom: {
    50: '#8cb1de',
    500: '#5191cf',
    950: '#000000',
  },
}

SCSS

$custom: #5191cf;
$custom-light: #8cb1de;
$custom-dark: #000000;

JSON

{
  "hex": "#5191cf",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 209.524,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.6409,
    "c": 0.11462,
    "h": 249.4
  },
  "luminance": 0.26505
}

Semantic roles & 50–950 ramp

primary

#5191CF

secondary

#D8BDA4

accent

#9348E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5191CF

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

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