#3A81DD#3A81DD

#3A81DD is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.4% C 0.157 H 256.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3A81DD
RGB	rgb(58, 129, 221)
HSL	hsl(214, 71%, 55%)
HSV	hsv(214, 74%, 87%)
CMYK	cmyk(73.8%, 41.6%, 0%, 13.3%)
CIE-LAB	lab(53.83, 8.94, -53.36)
CIE-LCH	lch(53.83, 54.11, 279.52°)
OKLab	oklab(60.43% -0.0375 -0.1526)
OKLCH	oklch(60.43% 0.157 256.2)
XYZ	xyz(22.6415, 21.8180, 71.4106)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A81DD #DD963A

analogous

#3AD3DD #3A81DD #453ADD

triadic

#3A81DD #DD3A81 #81DD3A

tetradic

#3A81DD #DD3AD3 #DD963A #3ADD45

square

#3A81DD #DD3AD3 #DD963A #3ADD45

split-complementary

#3A81DD #DD453A #D3DD3A

monochromatic

#174786 #2063BA #3A81DD #6EA2E6 #A2C4EF

Accessibility & contrast

On white

3.91

#3A81DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3A81DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A81DD

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A81DD	#FFFFFF	#000000	##000000
##3A81DD	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5489E1

Deuteranopia (green-blind)

#387ADB

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3a81dd;
/* rgb */ color: rgb(58, 129, 221);
/* oklch */ color: oklch(60.4% 0.157 256.2);

Tailwind

colors: {
  custom: {
    50: '#85a5e8',
    500: '#3a81dd',
    950: '#000000',
  },
}

SCSS

$custom: #3a81dd;
$custom-light: #85a5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a81dd",
  "rgb": {
    "r": 58,
    "g": 129,
    "b": 221
  },
  "hsl": {
    "h": 213.865,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.60432,
    "c": 0.1571,
    "h": 256.2
  },
  "luminance": 0.21821
}

Semantic roles & 50–950 ramp

primary

#3A81DD

secondary

#DCBE97

accent

#9F3AED

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3A81DD

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

Preview Lab → · Contrast checker → · Palette generator →