#5191E7#5191E7

#5191E7 is a light, vivid cyan. Relative luminance 0.278; OKLCH L 65.4% C 0.145 H 256.4°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5191E7
RGB	rgb(81, 145, 231)
HSL	hsl(214, 76%, 61%)
HSV	hsv(214, 65%, 91%)
CMYK	cmyk(64.9%, 37.2%, 0%, 9.4%)
CIE-LAB	lab(59.68, 6.25, -49.59)
CIE-LCH	lch(59.68, 49.99, 277.18°)
OKLab	oklab(65.38% -0.0341 -0.141)
OKLCH	oklch(65.38% 0.145 256.4)
XYZ	xyz(27.9373, 27.7669, 79.4731)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191E7 #E7A751

analogous

#51DCE7 #5191E7 #5C51E7

triadic

#5191E7 #E75191 #91E751

tetradic

#5191E7 #E751DC #E7A751 #51E75C

square

#5191E7 #E751DC #E7A751 #51E75C

split-complementary

#5191E7 #E75C51 #DCE751

monochromatic

#1754A7 #1E6FDC #5191E7 #87B3EE #BDD5F6

Accessibility & contrast

On white

3.20

#5191E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#5191E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191E7

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191E7	#FFFFFF	#000000	##000000
##5191E7	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B97EA

Deuteranopia (green-blind)

#5589E5

Tritanopia (blue-blind)

#00A5B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5191e7;
/* rgb */ color: rgb(81, 145, 231);
/* oklch */ color: oklch(65.4% 0.145 256.4);

Tailwind

colors: {
  custom: {
    50: '#90b0ef',
    500: '#5191e7',
    950: '#000000',
  },
}

SCSS

$custom: #5191e7;
$custom-light: #90b0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5191e7",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 231
  },
  "hsl": {
    "h": 214.4,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.65384,
    "c": 0.14502,
    "h": 256.4
  },
  "luminance": 0.2777
}

Semantic roles & 50–950 ramp

primary

#5191E7

secondary

#E6CEAE

accent

#820ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5191E7

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

Preview Lab → · Contrast checker → · Palette generator →