#5BB8E3#5BB8E3

#5BB8E3 is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.3% C 0.108 H 230.6°. Best body text is #000000 at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8E3
RGB	rgb(91, 184, 227)
HSL	hsl(199, 71%, 62%)
HSV	hsv(199, 60%, 89%)
CMYK	cmyk(59.9%, 18.9%, 0%, 11%)
CIE-LAB	lab(70.90, -15.13, -29.82)
CIE-LCH	lch(70.90, 33.44, 243.09°)
OKLab	oklab(74.28% -0.0683 -0.0832)
OKLCH	oklch(74.28% 0.108 230.6)
XYZ	xyz(35.3146, 42.0477, 78.9131)
Luminance	0.4205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8E3 #E3865B

analogous

#5BE3CA #5BB8E3 #5B74E3

triadic

#5BB8E3 #E35BB8 #B8E35B

tetradic

#5BB8E3 #CA5BE3 #E3865B #74E35B

square

#5BB8E3 #CA5BE3 #E3865B #74E35B

split-complementary

#5BB8E3 #E35B74 #E3CA5B

monochromatic

#1D7BA7 #27A1DA #5BB8E3 #8FCFEC #C4E5F5

Accessibility & contrast

On white

2.23

#5BB8E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.41

#5BB8E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8E3

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8E3	#FFFFFF	#000000	##000000
##5BB8E3	1.00	2.23	9.41	9.41
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.41	21.00	1.00	1.00
##000000	9.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B6E5

Deuteranopia (green-blind)

#8FA7E2

Tritanopia (blue-blind)

#00C4C6

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #5bb8e3;
/* rgb */ color: rgb(91, 184, 227);
/* oklch */ color: oklch(74.3% 0.108 230.6);

Tailwind

colors: {
  custom: {
    50: '#95cdec',
    500: '#5bb8e3',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8e3;
$custom-light: #95cdec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8e3",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 227
  },
  "hsl": {
    "h": 198.971,
    "s": 70.833,
    "l": 62.353
  },
  "oklch": {
    "l": 0.7428,
    "c": 0.10769,
    "h": 230.6
  },
  "luminance": 0.42051
}

Semantic roles & 50–950 ramp

primary

#5BB8E3

secondary

#E6C4B4

accent

#4F13D3

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB8E3

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

Preview Lab → · Contrast checker → · Palette generator →