#5A91CD#5A91CD

#5A91CD is a light, moderate cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.108 H 251.7°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#5A91CD
RGB	rgb(90, 145, 205)
HSL	hsl(211, 53%, 58%)
HSV	hsv(211, 56%, 80%)
CMYK	cmyk(56.1%, 29.3%, 0%, 19.6%)
CIE-LAB	lab(58.82, -0.61, -36.41)
CIE-LCH	lch(58.82, 36.41, 269.04°)
OKLab	oklab(64.41% -0.0338 -0.1024)
OKLCH	oklch(64.41% 0.108 251.7)
XYZ	xyz(25.3574, 26.8301, 61.5882)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91CD #CD965A

analogous

#5ACBCD #5A91CD #5C5ACD

triadic

#5A91CD #CD5A91 #91CD5A

tetradic

#5A91CD #CD5ACB #CD965A #5ACD5C

square

#5A91CD #CD5ACB #CD965A #5ACD5C

split-complementary

#5A91CD #CD5C5A #CBCD5A

monochromatic

#285484 #3672B3 #5A91CD #89B0DB #B8D0E9

Accessibility & contrast

On white

3.30

#5A91CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#5A91CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91CD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91CD	#FFFFFF	#000000	##000000
##5A91CD	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7894D0

Deuteranopia (green-blind)

#6988CC

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5a91cd;
/* rgb */ color: rgb(90, 145, 205);
/* oklch */ color: oklch(64.4% 0.108 251.7);

Tailwind

colors: {
  custom: {
    50: '#91b1dc',
    500: '#5a91cd',
    950: '#000000',
  },
}

SCSS

$custom: #5a91cd;
$custom-light: #91b1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91cd",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 211.304,
    "s": 53.488,
    "l": 57.843
  },
  "oklch": {
    "l": 0.64408,
    "c": 0.10784,
    "h": 251.7
  },
  "luminance": 0.26832
}

Semantic roles & 50–950 ramp

primary

#5A91CD

secondary

#D8C2AA

accent

#974BDD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5A91CD

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

Preview Lab → · Contrast checker → · Palette generator →