#3B91CC#3B91CC

#3B91CC is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.121 H 242.3°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3B91CC
RGB	rgb(59, 145, 204)
HSL	hsl(204, 59%, 52%)
HSV	hsv(204, 71%, 80%)
CMYK	cmyk(71.1%, 28.9%, 0%, 20%)
CIE-LAB	lab(57.60, -6.44, -37.84)
CIE-LCH	lch(57.60, 38.39, 260.34°)
OKLab	oklab(63.11% -0.0561 -0.1069)
OKLCH	oklch(63.11% 0.121 242.3)
XYZ	xyz(22.8239, 25.5377, 60.8414)
Luminance	0.2554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B91CC #CC763B

analogous

#3BCCBF #3B91CC #3B49CC

triadic

#3B91CC #CC3B91 #91CC3B

tetradic

#3B91CC #BF3BCC #CC763B #49CC3B

square

#3B91CC #BF3BCC #CC763B #49CC3B

split-complementary

#3B91CC #CC3B49 #CCBF3B

monochromatic

#1D4E70 #2A70A0 #3B91CC #6CACD9 #9CC8E5

Accessibility & contrast

On white

3.44

#3B91CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#3B91CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91CC

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B91CC	#FFFFFF	#000000	##000000
##3B91CC	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6284CB

Tritanopia (blue-blind)

#00A0A6

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3b91cc;
/* rgb */ color: rgb(59, 145, 204);
/* oklch */ color: oklch(63.1% 0.121 242.3);

Tailwind

colors: {
  custom: {
    50: '#82b1dc',
    500: '#3b91cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b91cc;
$custom-light: #82b1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b91cc",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 204
  },
  "hsl": {
    "h": 204.414,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.63106,
    "c": 0.12078,
    "h": 242.3
  },
  "luminance": 0.2554
}

Semantic roles & 50–950 ramp

primary

#3B91CC

secondary

#D1AB92

accent

#8546E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B91CC

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

Preview Lab → · Contrast checker → · Palette generator →