#3A91CB#3A91CB

#3A91CB is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.0% C 0.120 H 241.6°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3A91CB
RGB	rgb(58, 145, 203)
HSL	hsl(204, 58%, 51%)
HSV	hsv(204, 71%, 80%)
CMYK	cmyk(71.4%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(57.52, -6.93, -37.40)
CIE-LCH	lch(57.52, 38.04, 259.50°)
OKLab	oklab(63.02% -0.057 -0.1057)
OKLCH	oklch(63.02% 0.12 241.6)
XYZ	xyz(22.6456, 25.4596, 60.2090)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A91CB #CB743A

analogous

#3ACBBC #3A91CB #3A48CB

triadic

#3A91CB #CB3A91 #91CB3A

tetradic

#3A91CB #BC3ACB #CB743A #48CB3A

square

#3A91CB #BC3ACB #CB743A #48CB3A

split-complementary

#3A91CB #CB3A48 #CBBC3A

monochromatic

#1D4D6E #2A709E #3A91CB #6AACD8 #9BC7E5

Accessibility & contrast

On white

3.45

#3A91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#3A91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A91CB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A91CB	#FFFFFF	#000000	##000000
##3A91CB	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CE

Deuteranopia (green-blind)

#6284CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3a91cb;
/* rgb */ color: rgb(58, 145, 203);
/* oklch */ color: oklch(63.0% 0.120 241.6);

Tailwind

colors: {
  custom: {
    50: '#82b1db',
    500: '#3a91cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a91cb;
$custom-light: #82b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a91cb",
  "rgb": {
    "r": 58,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 204,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.63023,
    "c": 0.12006,
    "h": 241.6
  },
  "luminance": 0.25462
}

Semantic roles & 50–950 ramp

primary

#3A91CB

secondary

#D0AA90

accent

#8446E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3A91CB

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

Preview Lab → · Contrast checker → · Palette generator →