#5B91C1#5B91C1

#5B91C1 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.093 H 246.7°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#5B91C1
RGB	rgb(91, 145, 193)
HSL	hsl(208, 45%, 56%)
HSV	hsv(208, 53%, 76%)
CMYK	cmyk(52.8%, 24.9%, 0%, 24.3%)
CIE-LAB	lab(58.34, -4.14, -30.38)
CIE-LCH	lch(58.34, 30.66, 262.24°)
OKLab	oklab(63.88% -0.0367 -0.085)
OKLCH	oklch(63.88% 0.093 246.7)
XYZ	xyz(24.0620, 26.3233, 54.2546)
Luminance	0.2632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B91C1 #C18B5B

analogous

#5BC1BE #5B91C1 #5B5EC1

triadic

#5B91C1 #C15B91 #91C15B

tetradic

#5B91C1 #BE5BC1 #C18B5B #5EC15B

square

#5B91C1 #BE5BC1 #C18B5B #5EC15B

split-complementary

#5B91C1 #C15B5E #C1BE5B

monochromatic

#2C5375 #3D72A2 #5B91C1 #87AFD2 #B4CDE3

Accessibility & contrast

On white

3.35

#5B91C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#5B91C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91C1

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B91C1	#FFFFFF	#000000	##000000
##5B91C1	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)

#7D92C3

Deuteranopia (green-blind)

#7088C0

Tritanopia (blue-blind)

#209CA1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5b91c1;
/* rgb */ color: rgb(91, 145, 193);
/* oklch */ color: oklch(63.9% 0.093 246.7);

Tailwind

colors: {
  custom: {
    50: '#90b1d4',
    500: '#5b91c1',
    950: '#000000',
  },
}

SCSS

$custom: #5b91c1;
$custom-light: #90b1d4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b91c1",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 193
  },
  "hsl": {
    "h": 208.235,
    "s": 45.133,
    "l": 55.686
  },
  "oklch": {
    "l": 0.63877,
    "c": 0.09257,
    "h": 246.7
  },
  "luminance": 0.26325
}

Semantic roles & 50–950 ramp

primary

#5B91C1

secondary

#D1BBA7

accent

#9053D5

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #5B91C1

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

Preview Lab → · Contrast checker → · Palette generator →