#5BB2E7#5BB2E7

#5BB2E7 is a light, moderate cyan. Relative luminance 0.398; OKLCH L 73.1% C 0.114 H 237.8°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#5BB2E7
RGB	rgb(91, 178, 231)
HSL	hsl(203, 74%, 63%)
HSV	hsv(203, 61%, 91%)
CMYK	cmyk(60.6%, 22.9%, 0%, 9.4%)
CIE-LAB	lab(69.35, -10.69, -34.40)
CIE-LCH	lch(69.35, 36.02, 252.74°)
OKLab	oklab(73.1% -0.0606 -0.0964)
OKLCH	oklch(73.1% 0.114 237.8)
XYZ	xyz(34.6531, 39.8311, 81.4478)
Luminance	0.3983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB2E7 #E7905B

analogous

#5BE7D6 #5BB2E7 #5B6CE7

triadic

#5BB2E7 #E75BB2 #B2E75B

tetradic

#5BB2E7 #D65BE7 #E7905B #6CE75B

square

#5BB2E7 #D65BE7 #E7905B #6CE75B

split-complementary

#5BB2E7 #E75B6C #E7D65B

monochromatic

#1976AE #2699DF #5BB2E7 #90CBEF #C6E4F7

Accessibility & contrast

On white

2.34

#5BB2E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#5BB2E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB2E7

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB2E7	#FFFFFF	#000000	##000000
##5BB2E7	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B1EA

Deuteranopia (green-blind)

#86A3E6

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb2e7;
/* rgb */ color: rgb(91, 178, 231);
/* oklch */ color: oklch(73.1% 0.114 237.8);

Tailwind

colors: {
  custom: {
    50: '#95c9ee',
    500: '#5bb2e7',
    950: '#000000',
  },
}

SCSS

$custom: #5bb2e7;
$custom-light: #95c9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb2e7",
  "rgb": {
    "r": 91,
    "g": 178,
    "b": 231
  },
  "hsl": {
    "h": 202.714,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.73097,
    "c": 0.1139,
    "h": 237.8
  },
  "luminance": 0.39834
}

Semantic roles & 50–950 ramp

primary

#5BB2E7

secondary

#E8C9B6

accent

#5A0FD7

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB2E7

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

Preview Lab → · Contrast checker → · Palette generator →