#5BB9F1#5BB9F1

#5BB9F1 is a light, vivid cyan. Relative luminance 0.433; OKLCH L 75.1% C 0.120 H 237.5°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9F1
RGB	rgb(91, 185, 241)
HSL	hsl(202, 84%, 65%)
HSV	hsv(202, 62%, 95%)
CMYK	cmyk(62.2%, 23.2%, 0%, 5.5%)
CIE-LAB	lab(71.74, -11.35, -36.13)
CIE-LCH	lch(71.74, 37.87, 252.57°)
OKLab	oklab(75.12% -0.0646 -0.1014)
OKLCH	oklch(75.12% 0.12 237.5)
XYZ	xyz(37.5345, 43.2692, 89.5757)
Luminance	0.4327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9F1 #F1935B

analogous

#5BF1DE #5BB9F1 #5B6EF1

triadic

#5BB9F1 #F15BB9 #B9F15B

tetradic

#5BB9F1 #DE5BF1 #F1935B #6EF15B

square

#5BB9F1 #DE5BF1 #F1935B #6EF15B

split-complementary

#5BB9F1 #F15B6E #F1DE5B

monochromatic

#107FC1 #23A1EC #5BB9F1 #93D1F6 #CCE9FB

Accessibility & contrast

On white

2.18

#5BB9F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.65

#5BB9F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9F1

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9F1	#FFFFFF	#000000	##000000
##5BB9F1	1.00	2.18	9.65	9.65
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.65	21.00	1.00	1.00
##000000	9.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB8F4

Deuteranopia (green-blind)

#8AA9F0

Tritanopia (blue-blind)

#00C7CC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bb9f1;
/* rgb */ color: rgb(91, 185, 241);
/* oklch */ color: oklch(75.1% 0.120 237.5);

Tailwind

colors: {
  custom: {
    50: '#96cef6',
    500: '#5bb9f1',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9f1;
$custom-light: #96cef6;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9f1",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 241
  },
  "hsl": {
    "h": 202.4,
    "s": 84.27,
    "l": 65.098
  },
  "oklch": {
    "l": 0.75124,
    "c": 0.12018,
    "h": 237.5
  },
  "luminance": 0.43273
}

Semantic roles & 50–950 ramp

primary

#5BB9F1

secondary

#EDCDBA

accent

#5705E1

background

#F9FCFF

surface

#F2F9FE

border

#CCD2D6

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #5BB9F1

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

Preview Lab → · Contrast checker → · Palette generator →