#45B1DA#45B1DA

#45B1DA is a light, moderate cyan. Relative luminance 0.378; OKLCH L 71.5% C 0.114 H 227.0°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#45B1DA
RGB	rgb(69, 177, 218)
HSL	hsl(197, 67%, 56%)
HSV	hsv(197, 68%, 85%)
CMYK	cmyk(68.3%, 18.8%, 0%, 14.5%)
CIE-LAB	lab(67.85, -17.89, -29.66)
CIE-LCH	lch(67.85, 34.64, 238.90°)
OKLab	oklab(71.54% -0.0775 -0.083)
OKLCH	oklch(71.54% 0.114 227)
XYZ	xyz(30.8262, 37.7680, 71.9814)
Luminance	0.3777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B1DA #DA6E45

analogous

#45DAB9 #45B1DA #4567DA

triadic

#45B1DA #DA45B1 #B1DA45

tetradic

#45B1DA #B945DA #DA6E45 #67DA45

square

#45B1DA #B945DA #DA6E45 #67DA45

split-complementary

#45B1DA #DA4567 #DAB945

monochromatic

#1B6B89 #2593BC #45B1DA #78C6E4 #ABDCEE

Accessibility & contrast

On white

2.45

#45B1DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#45B1DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B1DA

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B1DA	#FFFFFF	#000000	##000000
##45B1DA	1.00	2.45	8.55	8.55
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAEDC

Deuteranopia (green-blind)

#879FD9

Tritanopia (blue-blind)

#00BDBE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #45b1da;
/* rgb */ color: rgb(69, 177, 218);
/* oklch */ color: oklch(71.5% 0.114 227.0);

Tailwind

colors: {
  custom: {
    50: '#8ac8e5',
    500: '#45b1da',
    950: '#000000',
  },
}

SCSS

$custom: #45b1da;
$custom-light: #8ac8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#45b1da",
  "rgb": {
    "r": 69,
    "g": 177,
    "b": 218
  },
  "hsl": {
    "h": 196.51,
    "s": 66.816,
    "l": 56.275
  },
  "oklch": {
    "l": 0.71537,
    "c": 0.11356,
    "h": 227
  },
  "luminance": 0.37771
}

Semantic roles & 50–950 ramp

primary

#45B1DA

secondary

#DCB09F

accent

#6D3EEA

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1315

muted

#7E8284

Preview Lab

Preview with #45B1DA

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

Preview Lab → · Contrast checker → · Palette generator →