#5191CC#5191CC

#5191CC is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.9% C 0.111 H 248.1°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#5191CC
RGB	rgb(81, 145, 204)
HSL	hsl(209, 55%, 56%)
HSV	hsv(209, 60%, 80%)
CMYK	cmyk(60.3%, 28.9%, 0%, 20%)
CIE-LAB	lab(58.37, -2.75, -36.57)
CIE-LCH	lch(58.37, 36.67, 265.71°)
OKLab	oklab(63.94% -0.0413 -0.103)
OKLCH	oklch(63.94% 0.111 248.1)
XYZ	xyz(24.4138, 26.3575, 60.9160)
Luminance	0.2636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191CC #CC8C51

analogous

#51CCC9 #5191CC #5153CC

triadic

#5191CC #CC5191 #91CC51

tetradic

#5191CC #C951CC #CC8C51 #53CC51

square

#5191CC #C951CC #CC8C51 #53CC51

split-complementary

#5191CC #CC5153 #CCC951

monochromatic

#25537E #3372AD #5191CC #80AFDA #B0CDE8

Accessibility & contrast

On white

3.35

#5191CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#5191CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191CC

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191CC	#FFFFFF	#000000	##000000
##5191CC	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CF

Deuteranopia (green-blind)

#6787CB

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5191cc;
/* rgb */ color: rgb(81, 145, 204);
/* oklch */ color: oklch(63.9% 0.111 248.1);

Tailwind

colors: {
  custom: {
    50: '#8cb1dc',
    500: '#5191cc',
    950: '#000000',
  },
}

SCSS

$custom: #5191cc;
$custom-light: #8cb1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5191cc",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 204
  },
  "hsl": {
    "h": 208.78,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63938,
    "c": 0.11097,
    "h": 248.1
  },
  "luminance": 0.2636
}

Semantic roles & 50–950 ramp

primary

#5191CC

secondary

#D6BBA3

accent

#914ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5191CC

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

Preview Lab → · Contrast checker → · Palette generator →