#5191EA#5191EA

#5191EA is a light, vivid cyan. Relative luminance 0.279; OKLCH L 65.6% C 0.149 H 257.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#5191EA
RGB	rgb(81, 145, 234)
HSL	hsl(215, 78%, 62%)
HSV	hsv(215, 65%, 92%)
CMYK	cmyk(65.4%, 38%, 0%, 8.2%)
CIE-LAB	lab(59.83, 7.27, -51.01)
CIE-LCH	lch(59.83, 51.53, 278.11°)
OKLab	oklab(65.56% -0.0334 -0.1451)
OKLCH	oklch(65.56% 0.149 257)
XYZ	xyz(28.3647, 27.9378, 81.7237)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191EA #EAAA51

analogous

#51DEEA #5191EA #5E51EA

triadic

#5191EA #EA5191 #91EA51

tetradic

#5191EA #EA51DE #EAAA51 #51EA5E

square

#5191EA #EA51DE #EAAA51 #51EA5E

split-complementary

#5191EA #EA5E51 #DEEA51

monochromatic

#1554AC #1B6FE2 #5191EA #88B4F1 #BED6F7

Accessibility & contrast

On white

3.19

#5191EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#5191EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191EA

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191EA	#FFFFFF	#000000	##000000
##5191EA	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998EE

Deuteranopia (green-blind)

#538AE8

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5191ea;
/* rgb */ color: rgb(81, 145, 234);
/* oklch */ color: oklch(65.6% 0.149 257.0);

Tailwind

colors: {
  custom: {
    50: '#90b0f1',
    500: '#5191ea',
    950: '#000000',
  },
}

SCSS

$custom: #5191ea;
$custom-light: #90b0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5191ea",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 234
  },
  "hsl": {
    "h": 214.902,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.65556,
    "c": 0.14889,
    "h": 257
  },
  "luminance": 0.27941
}

Semantic roles & 50–950 ramp

primary

#5191EA

secondary

#E8D0AF

accent

#840BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5191EA

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

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