#3A81D2#3A81D2

#3A81D2 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.8% C 0.143 H 253.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3A81D2
RGB	rgb(58, 129, 210)
HSL	hsl(212, 63%, 53%)
HSV	hsv(212, 72%, 82%)
CMYK	cmyk(72.4%, 38.6%, 0%, 17.6%)
CIE-LAB	lab(53.22, 4.97, -48.13)
CIE-LCH	lch(53.22, 48.39, 275.89°)
OKLab	oklab(59.76% -0.0399 -0.1372)
OKLCH	oklch(59.76% 0.143 253.8)
XYZ	xyz(21.2237, 21.2508, 63.9435)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A81D2 #D28B3A

analogous

#3ACDD2 #3A81D2 #3F3AD2

triadic

#3A81D2 #D23A81 #81D23A

tetradic

#3A81D2 #D23ACD #D28B3A #3AD23F

square

#3A81D2 #D23ACD #D28B3A #3AD23F

split-complementary

#3A81D2 #D23F3A #CDD23A

monochromatic

#1B4677 #2663A8 #3A81D2 #6CA1DD #9EC1E9

Accessibility & contrast

On white

4.00

#3A81D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3A81D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A81D2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A81D2	#FFFFFF	#000000	##000000
##3A81D2	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B87D5

Deuteranopia (green-blind)

#4479D0

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3a81d2;
/* rgb */ color: rgb(58, 129, 210);
/* oklch */ color: oklch(59.8% 0.143 253.8);

Tailwind

colors: {
  custom: {
    50: '#83a5e0',
    500: '#3a81d2',
    950: '#000000',
  },
}

SCSS

$custom: #3a81d2;
$custom-light: #83a5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a81d2",
  "rgb": {
    "r": 58,
    "g": 129,
    "b": 210
  },
  "hsl": {
    "h": 211.974,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59759,
    "c": 0.14291,
    "h": 253.8
  },
  "luminance": 0.21253
}

Semantic roles & 50–950 ramp

primary

#3A81D2

secondary

#D5B693

accent

#9942E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3A81D2

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

Preview Lab → · Contrast checker → · Palette generator →