#3A91DD#3A91DD

#3A91DD is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.141 H 248.5°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3A91DD
RGB	rgb(58, 145, 221)
HSL	hsl(208, 71%, 55%)
HSV	hsv(208, 74%, 87%)
CMYK	cmyk(73.8%, 34.4%, 0%, 13.3%)
CIE-LAB	lab(58.38, -0.62, -46.13)
CIE-LCH	lch(58.38, 46.13, 269.23°)
OKLab	oklab(63.99% -0.0518 -0.1311)
OKLCH	oklch(63.99% 0.141 248.5)
XYZ	xyz(24.9165, 26.3679, 72.1689)
Luminance	0.2637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A91DD #DD863A

analogous

#3ADDD7 #3A91DD #3A40DD

triadic

#3A91DD #DD3A91 #91DD3A

tetradic

#3A91DD #D73ADD #DD863A #40DD3A

square

#3A91DD #D73ADD #DD863A #40DD3A

split-complementary

#3A91DD #DD3A40 #DDD73A

monochromatic

#175286 #2072BA #3A91DD #6EAEE6 #A2CBEF

Accessibility & contrast

On white

3.35

#3A91DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#3A91DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A91DD

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A91DD	#FFFFFF	#000000	##000000
##3A91DD	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#5786DC

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3a91dd;
/* rgb */ color: rgb(58, 145, 221);
/* oklch */ color: oklch(64.0% 0.141 248.5);

Tailwind

colors: {
  custom: {
    50: '#85b0e8',
    500: '#3a91dd',
    950: '#000000',
  },
}

SCSS

$custom: #3a91dd;
$custom-light: #85b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a91dd",
  "rgb": {
    "r": 58,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 207.975,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63988,
    "c": 0.14095,
    "h": 248.5
  },
  "luminance": 0.26371
}

Semantic roles & 50–950 ramp

primary

#3A91DD

secondary

#DCB797

accent

#8E3AED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3A91DD

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

Preview Lab → · Contrast checker → · Palette generator →