#5B91CA#5B91CA

#5B91CA is a light, moderate cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.104 H 250.9°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#5B91CA
RGB	rgb(91, 145, 202)
HSL	hsl(211, 51%, 57%)
HSV	hsv(211, 55%, 79%)
CMYK	cmyk(55%, 28.2%, 0%, 20.8%)
CIE-LAB	lab(58.73, -1.34, -34.85)
CIE-LCH	lch(58.73, 34.88, 267.80°)
OKLab	oklab(64.31% -0.0338 -0.0979)
OKLCH	oklch(64.31% 0.104 250.9)
XYZ	xyz(25.0967, 26.7371, 59.7039)
Luminance	0.2674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B91CA #CA945B

analogous

#5BC8CA #5B91CA #5D5BCA

triadic

#5B91CA #CA5B91 #91CA5B

tetradic

#5B91CA #CA5BC8 #CA945B #5BCA5D

square

#5B91CA #CA5BC8 #CA945B #5BCA5D

split-complementary

#5B91CA #CA5D5B #C8CA5B

monochromatic

#2A5481 #3972AF #5B91CA #89B0D9 #B8CFE8

Accessibility & contrast

On white

3.31

#5B91CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#5B91CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91CA

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B91CA	#FFFFFF	#000000	##000000
##5B91CA	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A93CD

Deuteranopia (green-blind)

#6B88C9

Tritanopia (blue-blind)

#0D9EA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5b91ca;
/* rgb */ color: rgb(91, 145, 202);
/* oklch */ color: oklch(64.3% 0.104 250.9);

Tailwind

colors: {
  custom: {
    50: '#91b1da',
    500: '#5b91ca',
    950: '#000000',
  },
}

SCSS

$custom: #5b91ca;
$custom-light: #91b1da;
$custom-dark: #000000;

JSON

{
  "hex": "#5b91ca",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 202
  },
  "hsl": {
    "h": 210.811,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.64309,
    "c": 0.10357,
    "h": 250.9
  },
  "luminance": 0.26739
}

Semantic roles & 50–950 ramp

primary

#5B91CA

secondary

#D7C1AA

accent

#964DDB

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5B91CA

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

Preview Lab → · Contrast checker → · Palette generator →