#5191DA#5191DA

#5191DA is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.7% C 0.128 H 253.1°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#5191DA
RGB	rgb(81, 145, 218)
HSL	hsl(212, 65%, 59%)
HSV	hsv(212, 63%, 85%)
CMYK	cmyk(62.8%, 33.5%, 0%, 14.5%)
CIE-LAB	lab(59.03, 1.87, -43.38)
CIE-LCH	lch(59.03, 43.42, 272.47°)
OKLab	oklab(64.67% -0.0373 -0.1228)
OKLCH	oklch(64.67% 0.128 253.1)
XYZ	xyz(26.1690, 27.0596, 70.1600)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191DA #DA9A51

analogous

#51D5DA #5191DA #5551DA

triadic

#5191DA #DA5191 #91DA51

tetradic

#5191DA #DA51D5 #DA9A51 #51DA55

square

#5191DA #DA51D5 #DA9A51 #51DA55

split-complementary

#5191DA #DA5551 #D5DA51

monochromatic

#1F5592 #2A72C4 #5191DA #83B1E5 #B6D1EF

Accessibility & contrast

On white

3.27

#5191DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#5191DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191DA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191DA	#FFFFFF	#000000	##000000
##5191DA	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DD

Deuteranopia (green-blind)

#5F88D9

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5191da;
/* rgb */ color: rgb(81, 145, 218);
/* oklch */ color: oklch(64.7% 0.128 253.1);

Tailwind

colors: {
  custom: {
    50: '#8eb0e6',
    500: '#5191da',
    950: '#000000',
  },
}

SCSS

$custom: #5191da;
$custom-light: #8eb0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5191da",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 218
  },
  "hsl": {
    "h": 211.971,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.64666,
    "c": 0.12836,
    "h": 253.1
  },
  "luminance": 0.27062
}

Semantic roles & 50–950 ramp

primary

#5191DA

secondary

#DEC5A8

accent

#9940E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #5191DA

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

Preview Lab → · Contrast checker → · Palette generator →