#5191B3#5191B3

#5191B3 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.083 H 233.5°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5191B3
RGB	rgb(81, 145, 179)
HSL	hsl(201, 39%, 51%)
HSV	hsv(201, 55%, 70%)
CMYK	cmyk(54.7%, 19%, 0%, 29.8%)
CIE-LAB	lab(57.32, -10.67, -24.06)
CIE-LCH	lch(57.32, 26.32, 246.08°)
OKLab	oklab(62.76% -0.0497 -0.067)
OKLCH	oklch(62.76% 0.083 233.5)
XYZ	xyz(21.6524, 25.2529, 46.3723)
Luminance	0.2525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191B3 #B37351

analogous

#51B3A4 #5191B3 #5160B3

triadic

#5191B3 #B35191 #91B351

tetradic

#5191B3 #A451B3 #B37351 #60B351

square

#5191B3 #A451B3 #B37351 #60B351

split-complementary

#5191B3 #B35160 #B3A451

monochromatic

#2A4D60 #3C6F8A #5191B3 #7CACC6 #A6C7D8

Accessibility & contrast

On white

3.47

#5191B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#5191B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191B3

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191B3	#FFFFFF	#000000	##000000
##5191B3	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8190B5

Deuteranopia (green-blind)

#7385B2

Tritanopia (blue-blind)

#039A9C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5191b3;
/* rgb */ color: rgb(81, 145, 179);
/* oklch */ color: oklch(62.8% 0.083 233.5);

Tailwind

colors: {
  custom: {
    50: '#89b1c9',
    500: '#5191b3',
    950: '#000000',
  },
}

SCSS

$custom: #5191b3;
$custom-light: #89b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#5191b3",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 200.816,
    "s": 39.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62757,
    "c": 0.08341,
    "h": 233.5
  },
  "luminance": 0.25255
}

Semantic roles & 50–950 ramp

primary

#5191B3

secondary

#C6A99A

accent

#8259CF

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #5191B3

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

Preview Lab → · Contrast checker → · Palette generator →