#5B9FEA#5B9FEA

#5B9FEA is a light, vivid cyan. Relative luminance 0.330; OKLCH L 69.0% C 0.131 H 252.3°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B9FEA
RGB	rgb(91, 159, 234)
HSL	hsl(211, 77%, 64%)
HSV	hsv(211, 61%, 92%)
CMYK	cmyk(61.1%, 32.1%, 0%, 8.2%)
CIE-LAB	lab(64.13, 0.85, -44.20)
CIE-LCH	lch(64.13, 44.21, 271.11°)
OKLab	oklab(69.02% -0.0399 -0.1249)
OKLCH	oklch(69.02% 0.131 252.3)
XYZ	xyz(31.5584, 32.9580, 82.5244)
Luminance	0.3296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9FEA #EAA65B

analogous

#5BE6EA #5B9FEA #5E5BEA

triadic

#5B9FEA #EA5B9F #9FEA5B

tetradic

#5B9FEA #EA5BE6 #EAA65B #5BEA5E

square

#5B9FEA #EA5BE6 #EAA65B #5BEA5E

split-complementary

#5B9FEA #EA5E5B #E6EA5B

monochromatic

#1761B4 #257FE3 #5B9FEA #91BFF1 #C8DFF8

Accessibility & contrast

On white

2.77

#5B9FEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#5B9FEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FEA

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9FEA	#FFFFFF	#000000	##000000
##5B9FEA	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA3ED

Deuteranopia (green-blind)

#6C95E8

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #5b9fea;
/* rgb */ color: rgb(91, 159, 234);
/* oklch */ color: oklch(69.0% 0.131 252.3);

Tailwind

colors: {
  custom: {
    50: '#95bbf1',
    500: '#5b9fea',
    950: '#000000',
  },
}

SCSS

$custom: #5b9fea;
$custom-light: #95bbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9fea",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 234
  },
  "hsl": {
    "h": 211.469,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.69021,
    "c": 0.13112,
    "h": 252.3
  },
  "luminance": 0.32961
}

Semantic roles & 50–950 ramp

primary

#5B9FEA

secondary

#EAD2B7

accent

#780CDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9FEA

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

Preview Lab → · Contrast checker → · Palette generator →