#5191D5#5191D5

#5191D5 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.122 H 251.5°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#5191D5
RGB	rgb(81, 145, 213)
HSL	hsl(211, 61%, 58%)
HSV	hsv(211, 62%, 84%)
CMYK	cmyk(62%, 31.9%, 0%, 16.5%)
CIE-LAB	lab(58.79, 0.21, -40.96)
CIE-LCH	lch(58.79, 40.97, 270.30°)
OKLab	oklab(64.4% -0.0387 -0.1158)
OKLCH	oklch(64.4% 0.122 251.5)
XYZ	xyz(25.5246, 26.8018, 66.7660)
Luminance	0.2680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191D5 #D59551

analogous

#51D3D5 #5191D5 #5351D5

triadic

#5191D5 #D55191 #91D551

tetradic

#5191D5 #D551D3 #D59551 #51D553

square

#5191D5 #D551D3 #D59551 #51D553

split-complementary

#5191D5 #D55351 #D3D551

monochromatic

#21548A #2D72BC #5191D5 #82B0E1 #B4CFED

Accessibility & contrast

On white

3.30

#5191D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#5191D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191D5

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191D5	#FFFFFF	#000000	##000000
##5191D5	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7494D8

Deuteranopia (green-blind)

#6288D4

Tritanopia (blue-blind)

#00A1A9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5191d5;
/* rgb */ color: rgb(81, 145, 213);
/* oklch */ color: oklch(64.4% 0.122 251.5);

Tailwind

colors: {
  custom: {
    50: '#8db0e2',
    500: '#5191d5',
    950: '#000000',
  },
}

SCSS

$custom: #5191d5;
$custom-light: #8db0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5191d5",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 213
  },
  "hsl": {
    "h": 210.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64401,
    "c": 0.12205,
    "h": 251.5
  },
  "luminance": 0.26804
}

Semantic roles & 50–950 ramp

primary

#5191D5

secondary

#DBC2A6

accent

#9644E4

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5191D5

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

Preview Lab → · Contrast checker → · Palette generator →