#5BB5E7#5BB5E7

#5BB5E7 is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.8% C 0.112 H 235.4°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5E7
RGB	rgb(91, 181, 231)
HSL	hsl(201, 74%, 63%)
HSV	hsv(201, 61%, 91%)
CMYK	cmyk(60.6%, 21.6%, 0%, 9.4%)
CIE-LAB	lab(70.20, -12.31, -33.08)
CIE-LCH	lch(70.20, 35.29, 249.59°)
OKLab	oklab(73.77% -0.0638 -0.0926)
OKLCH	oklch(73.77% 0.112 235.4)
XYZ	xyz(35.2566, 41.0380, 81.6489)
Luminance	0.4104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5E7 #E78D5B

analogous

#5BE7D3 #5BB5E7 #5B6FE7

triadic

#5BB5E7 #E75BB5 #B5E75B

tetradic

#5BB5E7 #D35BE7 #E78D5B #6FE75B

square

#5BB5E7 #D35BE7 #E78D5B #6FE75B

split-complementary

#5BB5E7 #E75B6F #E7D35B

monochromatic

#1979AE #269DDF #5BB5E7 #90CDEF #C6E5F7

Accessibility & contrast

On white

2.28

#5BB5E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#5BB5E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5E7

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5E7	#FFFFFF	#000000	##000000
##5BB5E7	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB4E9

Deuteranopia (green-blind)

#8AA5E6

Tritanopia (blue-blind)

#00C2C6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #5bb5e7;
/* rgb */ color: rgb(91, 181, 231);
/* oklch */ color: oklch(73.8% 0.112 235.4);

Tailwind

colors: {
  custom: {
    50: '#95cbee',
    500: '#5bb5e7',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5e7;
$custom-light: #95cbee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5e7",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 231
  },
  "hsl": {
    "h": 201.429,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.73774,
    "c": 0.11244,
    "h": 235.4
  },
  "luminance": 0.41041
}

Semantic roles & 50–950 ramp

primary

#5BB5E7

secondary

#E8C8B6

accent

#560FD7

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB5E7

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

Preview Lab → · Contrast checker → · Palette generator →