#5191CB#5191CB

#5191CB is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.110 H 247.7°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#5191CB
RGB	rgb(81, 145, 203)
HSL	hsl(209, 54%, 56%)
HSV	hsv(209, 60%, 80%)
CMYK	cmyk(60.1%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.33, -3.07, -36.07)
CIE-LCH	lch(58.33, 36.20, 265.13°)
OKLab	oklab(63.89% -0.0416 -0.1016)
OKLCH	oklch(63.89% 0.11 247.7)
XYZ	xyz(24.2943, 26.3097, 60.2863)
Luminance	0.2631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191CB #CB8B51

analogous

#51CBC8 #5191CB #5154CB

triadic

#5191CB #CB5191 #91CB51

tetradic

#5191CB #C851CB #CB8B51 #54CB51

square

#5191CB #C851CB #CB8B51 #54CB51

split-complementary

#5191CB #CB5154 #CBC851

monochromatic

#25537C #3372AC #5191CB #80AFD9 #AFCDE7

Accessibility & contrast

On white

3.35

#5191CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#5191CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191CB

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191CB	#FFFFFF	#000000	##000000
##5191CB	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6887CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5191cb;
/* rgb */ color: rgb(81, 145, 203);
/* oklch */ color: oklch(63.9% 0.110 247.7);

Tailwind

colors: {
  custom: {
    50: '#8cb1db',
    500: '#5191cb',
    950: '#000000',
  },
}

SCSS

$custom: #5191cb;
$custom-light: #8cb1db;
$custom-dark: #000000;

JSON

{
  "hex": "#5191cb",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 208.525,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.63888,
    "c": 0.10975,
    "h": 247.7
  },
  "luminance": 0.26312
}

Semantic roles & 50–950 ramp

primary

#5191CB

secondary

#D5BBA3

accent

#904ADD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5191CB

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

Preview Lab → · Contrast checker → · Palette generator →