#65B9EF#65B9EF

#65B9EF is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.4% C 0.113 H 238.9°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#65B9EF
RGB	rgb(101, 185, 239)
HSL	hsl(203, 81%, 67%)
HSV	hsv(203, 58%, 94%)
CMYK	cmyk(57.7%, 22.6%, 0%, 6.3%)
CIE-LAB	lab(72.02, -10.13, -34.58)
CIE-LCH	lch(72.02, 36.03, 253.67°)
OKLab	oklab(75.43% -0.0584 -0.0968)
OKLCH	oklch(75.43% 0.113 238.9)
XYZ	xyz(38.2900, 43.6931, 88.0604)
Luminance	0.4370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#65B9EF #EF9B65

analogous

#65EFE0 #65B9EF #6574EF

triadic

#65B9EF #EF65B9 #B9EF65

tetradic

#65B9EF #E065EF #EF9B65 #74EF65

square

#65B9EF #E065EF #EF9B65 #74EF65

split-complementary

#65B9EF #EF6574 #EFE065

monochromatic

#1480C5 #2EA0E9 #65B9EF #9CD2F5 #D4EBFB

Accessibility & contrast

On white

2.16

#65B9EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#65B9EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #65B9EF

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##65B9EF	#FFFFFF	#000000	##000000
##65B9EF	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B8F2

Deuteranopia (green-blind)

#8EAAEE

Tritanopia (blue-blind)

#00C7CB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #65b9ef;
/* rgb */ color: rgb(101, 185, 239);
/* oklch */ color: oklch(75.4% 0.113 238.9);

Tailwind

colors: {
  custom: {
    50: '#9bcef4',
    500: '#65b9ef',
    950: '#000000',
  },
}

SCSS

$custom: #65b9ef;
$custom-light: #9bcef4;
$custom-dark: #000000;

JSON

{
  "hex": "#65b9ef",
  "rgb": {
    "r": 101,
    "g": 185,
    "b": 239
  },
  "hsl": {
    "h": 203.478,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.75426,
    "c": 0.11304,
    "h": 238.9
  },
  "luminance": 0.43697
}

Semantic roles & 50–950 ramp

primary

#65B9EF

secondary

#EED3C2

accent

#5C08DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #65B9EF

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

Preview Lab → · Contrast checker → · Palette generator →