#5191E2#5191E2

#5191E2 is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.1% C 0.139 H 255.3°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#5191E2
RGB	rgb(81, 145, 226)
HSL	hsl(214, 71%, 60%)
HSV	hsv(214, 64%, 89%)
CMYK	cmyk(64.2%, 35.8%, 0%, 11.4%)
CIE-LAB	lab(59.42, 4.56, -47.22)
CIE-LCH	lch(59.42, 47.44, 275.51°)
OKLab	oklab(65.1% -0.0353 -0.134)
OKLCH	oklch(65.1% 0.139 255.3)
XYZ	xyz(27.2412, 27.4885, 75.8069)
Luminance	0.2749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191E2 #E2A251

analogous

#51DAE2 #5191E2 #5951E2

triadic

#5191E2 #E25191 #91E251

tetradic

#5191E2 #E251DA #E2A251 #51E259

square

#5191E2 #E251DA #E2A251 #51E259

split-complementary

#5191E2 #E25951 #DAE251

monochromatic

#1A559E #2371D3 #5191E2 #85B2EB #BAD3F3

Accessibility & contrast

On white

3.23

#5191E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#5191E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191E2

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191E2	#FFFFFF	#000000	##000000
##5191E2	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E97E5

Deuteranopia (green-blind)

#5989E0

Tritanopia (blue-blind)

#00A4AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5191e2;
/* rgb */ color: rgb(81, 145, 226);
/* oklch */ color: oklch(65.1% 0.139 255.3);

Tailwind

colors: {
  custom: {
    50: '#8fb0eb',
    500: '#5191e2',
    950: '#000000',
  },
}

SCSS

$custom: #5191e2;
$custom-light: #8fb0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5191e2",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 226
  },
  "hsl": {
    "h": 213.517,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.65104,
    "c": 0.13858,
    "h": 255.3
  },
  "luminance": 0.27491
}

Semantic roles & 50–950 ramp

primary

#5191E2

secondary

#E3CBAC

accent

#7E12D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5191E2

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

Preview Lab → · Contrast checker → · Palette generator →