#5BB2E8#5BB2E8

#5BB2E8 is a light, moderate cyan. Relative luminance 0.399; OKLCH L 73.1% C 0.115 H 238.3°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#5BB2E8
RGB	rgb(91, 178, 232)
HSL	hsl(203, 75%, 63%)
HSV	hsv(203, 61%, 91%)
CMYK	cmyk(60.8%, 23.3%, 0%, 9%)
CIE-LAB	lab(69.39, -10.38, -34.88)
CIE-LCH	lch(69.39, 36.39, 253.43°)
OKLab	oklab(73.14% -0.0603 -0.0978)
OKLCH	oklch(73.14% 0.115 238.3)
XYZ	xyz(34.7947, 39.8877, 82.1937)
Luminance	0.3989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB2E8 #E8915B

analogous

#5BE8D8 #5BB2E8 #5B6BE8

triadic

#5BB2E8 #E85BB2 #B2E85B

tetradic

#5BB2E8 #D85BE8 #E8915B #6BE85B

square

#5BB2E8 #D85BE8 #E8915B #6BE85B

split-complementary

#5BB2E8 #E85B6B #E8D85B

monochromatic

#1976B0 #2599E0 #5BB2E8 #91CBF0 #C6E4F7

Accessibility & contrast

On white

2.34

#5BB2E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#5BB2E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB2E8

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB2E8	#FFFFFF	#000000	##000000
##5BB2E8	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B1EB

Deuteranopia (green-blind)

#86A3E7

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb2e8;
/* rgb */ color: rgb(91, 178, 232);
/* oklch */ color: oklch(73.1% 0.115 238.3);

Tailwind

colors: {
  custom: {
    50: '#95c9ef',
    500: '#5bb2e8',
    950: '#000000',
  },
}

SCSS

$custom: #5bb2e8;
$custom-light: #95c9ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb2e8",
  "rgb": {
    "r": 91,
    "g": 178,
    "b": 232
  },
  "hsl": {
    "h": 202.979,
    "s": 75.401,
    "l": 63.333
  },
  "oklch": {
    "l": 0.73142,
    "c": 0.1149,
    "h": 238.3
  },
  "luminance": 0.39891
}

Semantic roles & 50–950 ramp

primary

#5BB2E8

secondary

#E9CAB6

accent

#5B0ED8

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB2E8

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

Preview Lab → · Contrast checker → · Palette generator →