#45BCF0#45BCF0

#45BCF0 is a light, vivid cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.128 H 231.0°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#45BCF0
RGB	rgb(69, 188, 240)
HSL	hsl(198, 85%, 61%)
HSV	hsv(198, 71%, 94%)
CMYK	cmyk(71.3%, 21.7%, 0%, 5.9%)
CIE-LAB	lab(71.91, -16.61, -35.38)
CIE-LCH	lch(71.91, 39.08, 244.85°)
OKLab	oklab(75.06% -0.0804 -0.0994)
OKLCH	oklch(75.06% 0.128 231)
XYZ	xyz(36.1593, 43.5188, 88.9154)
Luminance	0.4352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45BCF0 #F07945

analogous

#45F0CF #45BCF0 #4566F0

triadic

#45BCF0 #F045BC #BCF045

tetradic

#45BCF0 #CF45F0 #F07945 #66F045

square

#45BCF0 #CF45F0 #F07945 #66F045

split-complementary

#45BCF0 #F04566 #F0CF45

monochromatic

#0E7CAD #12A5E5 #45BCF0 #7ED0F5 #B6E5F9

Accessibility & contrast

On white

2.16

#45BCF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#45BCF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45BCF0

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45BCF0	#FFFFFF	#000000	##000000
##45BCF0	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2BAF3

Deuteranopia (green-blind)

#8AA9EF

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #45bcf0;
/* rgb */ color: rgb(69, 188, 240);
/* oklch */ color: oklch(75.1% 0.128 231.0);

Tailwind

colors: {
  custom: {
    50: '#8dd0f5',
    500: '#45bcf0',
    950: '#000000',
  },
}

SCSS

$custom: #45bcf0;
$custom-light: #8dd0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#45bcf0",
  "rgb": {
    "r": 69,
    "g": 188,
    "b": 240
  },
  "hsl": {
    "h": 198.246,
    "s": 85.075,
    "l": 60.588
  },
  "oklch": {
    "l": 0.75063,
    "c": 0.12782,
    "h": 231
  },
  "luminance": 0.43523
}

Semantic roles & 50–950 ramp

primary

#45BCF0

secondary

#E9BCA8

accent

#4704E2

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #45BCF0

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

Preview Lab → · Contrast checker → · Palette generator →