#5BB4E3#5BB4E3

#5BB4E3 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.4% C 0.109 H 234.0°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4E3
RGB	rgb(91, 180, 227)
HSL	hsl(201, 71%, 62%)
HSV	hsv(201, 60%, 89%)
CMYK	cmyk(59.9%, 20.7%, 0%, 11%)
CIE-LAB	lab(69.76, -13.00, -31.58)
CIE-LCH	lch(69.76, 34.15, 247.62°)
OKLab	oklab(73.37% -0.0641 -0.0883)
OKLCH	oklch(73.37% 0.109 234)
XYZ	xyz(34.4955, 40.4094, 78.6400)
Luminance	0.4041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4E3 #E38A5B

analogous

#5BE3CE #5BB4E3 #5B70E3

triadic

#5BB4E3 #E35BB4 #B4E35B

tetradic

#5BB4E3 #CE5BE3 #E38A5B #70E35B

square

#5BB4E3 #CE5BE3 #E38A5B #70E35B

split-complementary

#5BB4E3 #E35B70 #E3CE5B

monochromatic

#1D77A7 #279CDA #5BB4E3 #8FCCEC #C4E4F5

Accessibility & contrast

On white

2.31

#5BB4E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#5BB4E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4E3

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4E3	#FFFFFF	#000000	##000000
##5BB4E3	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB2E5

Deuteranopia (green-blind)

#8AA4E2

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #5bb4e3;
/* rgb */ color: rgb(91, 180, 227);
/* oklch */ color: oklch(73.4% 0.109 234.0);

Tailwind

colors: {
  custom: {
    50: '#95caec',
    500: '#5bb4e3',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4e3;
$custom-light: #95caec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4e3",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 227
  },
  "hsl": {
    "h": 200.735,
    "s": 70.833,
    "l": 62.353
  },
  "oklch": {
    "l": 0.73371,
    "c": 0.10912,
    "h": 234
  },
  "luminance": 0.40413
}

Semantic roles & 50–950 ramp

primary

#5BB4E3

secondary

#E6C5B4

accent

#5513D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB4E3

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

Preview Lab → · Contrast checker → · Palette generator →