#5191BF#5191BF

#5191BF is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.3% C 0.096 H 241.7°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#5191BF
RGB	rgb(81, 145, 191)
HSL	hsl(205, 46%, 53%)
HSV	hsv(205, 58%, 75%)
CMYK	cmyk(57.6%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.81, -6.93, -30.11)
CIE-LCH	lch(57.81, 30.90, 257.05°)
OKLab	oklab(63.3% -0.0455 -0.0844)
OKLCH	oklch(63.3% 0.096 241.7)
XYZ	xyz(22.9192, 25.7597, 53.0444)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191BF #BF7F51

analogous

#51BFB6 #5191BF #515ABF

triadic

#5191BF #BF5191 #91BF51

tetradic

#5191BF #B651BF #BF7F51 #5ABF51

square

#5191BF #B651BF #BF7F51 #5ABF51

split-complementary

#5191BF #BF515A #BFB651

monochromatic

#28506D #39719A #5191BF #7EADCF #AACAE0

Accessibility & contrast

On white

3.41

#5191BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#5191BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191BF

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191BF	#FFFFFF	#000000	##000000
##5191BF	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91C1

Deuteranopia (green-blind)

#6E86BE

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5191bf;
/* rgb */ color: rgb(81, 145, 191);
/* oklch */ color: oklch(63.3% 0.096 241.7);

Tailwind

colors: {
  custom: {
    50: '#8ab1d2',
    500: '#5191bf',
    950: '#000000',
  },
}

SCSS

$custom: #5191bf;
$custom-light: #8ab1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5191bf",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 205.091,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63304,
    "c": 0.09583,
    "h": 241.7
  },
  "luminance": 0.25762
}

Semantic roles & 50–950 ramp

primary

#5191BF

secondary

#CEB29E

accent

#8952D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #5191BF

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

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