#5B91C4#5B91C4

#5B91C4 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 64.0% C 0.096 H 248.2°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#5B91C4
RGB	rgb(91, 145, 196)
HSL	hsl(209, 47%, 56%)
HSV	hsv(209, 54%, 77%)
CMYK	cmyk(53.6%, 26%, 0%, 23.1%)
CIE-LAB	lab(58.47, -3.21, -31.88)
CIE-LCH	lch(58.47, 32.04, 264.24°)
OKLab	oklab(64.02% -0.0357 -0.0893)
OKLCH	oklch(64.02% 0.096 248.2)
XYZ	xyz(24.4001, 26.4585, 56.0350)
Luminance	0.2646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B91C4 #C48E5B

analogous

#5BC4C3 #5B91C4 #5B5DC4

triadic

#5B91C4 #C45B91 #91C45B

tetradic

#5B91C4 #C35BC4 #C48E5B #5DC45B

square

#5B91C4 #C35BC4 #C48E5B #5DC45B

split-complementary

#5B91C4 #C45B5D #C4C35B

monochromatic

#2C5379 #3C72A6 #5B91C4 #88AFD4 #B5CDE4

Accessibility & contrast

On white

3.34

#5B91C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#5B91C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91C4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B91C4	#FFFFFF	#000000	##000000
##5B91C4	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C92C6

Deuteranopia (green-blind)

#6E88C3

Tritanopia (blue-blind)

#1B9DA3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5b91c4;
/* rgb */ color: rgb(91, 145, 196);
/* oklch */ color: oklch(64.0% 0.096 248.2);

Tailwind

colors: {
  custom: {
    50: '#90b1d6',
    500: '#5b91c4',
    950: '#000000',
  },
}

SCSS

$custom: #5b91c4;
$custom-light: #90b1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b91c4",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 196
  },
  "hsl": {
    "h": 209.143,
    "s": 47.085,
    "l": 56.275
  },
  "oklch": {
    "l": 0.64019,
    "c": 0.09618,
    "h": 248.2
  },
  "luminance": 0.2646
}

Semantic roles & 50–950 ramp

primary

#5B91C4

secondary

#D3BDA8

accent

#9251D7

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #5B91C4

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

Preview Lab → · Contrast checker → · Palette generator →