#5B9ECD#5B9ECD

#5B9ECD is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.4% C 0.098 H 240.9°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#5B9ECD
RGB	rgb(91, 158, 205)
HSL	hsl(205, 53%, 58%)
HSV	hsv(205, 56%, 80%)
CMYK	cmyk(55.6%, 22.9%, 0%, 19.6%)
CIE-LAB	lab(62.58, -7.77, -30.55)
CIE-LCH	lch(62.58, 31.53, 255.73°)
OKLab	oklab(67.38% -0.0476 -0.0854)
OKLCH	oklch(67.38% 0.098 240.9)
XYZ	xyz(27.5566, 31.0832, 62.2933)
Luminance	0.3109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9ECD #CD8A5B

analogous

#5BCDC3 #5B9ECD #5B65CD

triadic

#5B9ECD #CD5B9E #9ECD5B

tetradic

#5B9ECD #C35BCD #CD8A5B #65CD5B

square

#5B9ECD #C35BCD #CD8A5B #65CD5B

split-complementary

#5B9ECD #CD5B65 #CDC35B

monochromatic

#295F85 #3780B4 #5B9ECD #8ABADB #B9D5EA

Accessibility & contrast

On white

2.91

#5B9ECD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#5B9ECD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9ECD

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9ECD	#FFFFFF	#000000	##000000
##5B9ECD	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899ECF

Deuteranopia (green-blind)

#7A92CC

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5b9ecd;
/* rgb */ color: rgb(91, 158, 205);
/* oklch */ color: oklch(67.4% 0.098 240.9);

Tailwind

colors: {
  custom: {
    50: '#91badc',
    500: '#5b9ecd',
    950: '#000000',
  },
}

SCSS

$custom: #5b9ecd;
$custom-light: #91badc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9ecd",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 205
  },
  "hsl": {
    "h": 204.737,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67385,
    "c": 0.09782,
    "h": 240.9
  },
  "luminance": 0.31086
}

Semantic roles & 50–950 ramp

primary

#5B9ECD

secondary

#D9BEAB

accent

#874BDD

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5B9ECD

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

Preview Lab → · Contrast checker → · Palette generator →