#3A81DA#3A81DA

#3A81DA is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.2% C 0.153 H 255.6°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3A81DA
RGB	rgb(58, 129, 218)
HSL	hsl(213, 68%, 54%)
HSV	hsv(213, 73%, 85%)
CMYK	cmyk(73.4%, 40.8%, 0%, 14.5%)
CIE-LAB	lab(53.66, 7.86, -51.95)
CIE-LCH	lch(53.66, 52.54, 278.60°)
OKLab	oklab(60.25% -0.0381 -0.1484)
OKLCH	oklch(60.25% 0.153 255.6)
XYZ	xyz(22.2454, 21.6595, 69.3244)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A81DA #DA933A

analogous

#3AD1DA #3A81DA #433ADA

triadic

#3A81DA #DA3A81 #81DA3A

tetradic

#3A81DA #DA3AD1 #DA933A #3ADA43

square

#3A81DA #DA3AD1 #DA933A #3ADA43

split-complementary

#3A81DA #DA433A #D1DA3A

monochromatic

#184781 #2263B5 #3A81DA #6EA2E4 #A1C3ED

Accessibility & contrast

On white

3.94

#3A81DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3A81DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A81DA

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A81DA	#FFFFFF	#000000	##000000
##3A81DA	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DE

Deuteranopia (green-blind)

#3C79D8

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3a81da;
/* rgb */ color: rgb(58, 129, 218);
/* oklch */ color: oklch(60.2% 0.153 255.6);

Tailwind

colors: {
  custom: {
    50: '#84a5e6',
    500: '#3a81da',
    950: '#000000',
  },
}

SCSS

$custom: #3a81da;
$custom-light: #84a5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a81da",
  "rgb": {
    "r": 58,
    "g": 129,
    "b": 218
  },
  "hsl": {
    "h": 213.375,
    "s": 68.376,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60245,
    "c": 0.15322,
    "h": 255.6
  },
  "luminance": 0.21662
}

Semantic roles & 50–950 ramp

primary

#3A81DA

secondary

#DABC96

accent

#9E3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3A81DA

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

Preview Lab → · Contrast checker → · Palette generator →