#3B91C9#3B91C9

#3B91C9 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.0% C 0.117 H 240.9°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#3B91C9
RGB	rgb(59, 145, 201)
HSL	hsl(204, 57%, 51%)
HSV	hsv(204, 71%, 79%)
CMYK	cmyk(70.6%, 27.9%, 0%, 21.2%)
CIE-LAB	lab(57.46, -7.48, -36.37)
CIE-LCH	lch(57.46, 37.13, 258.38°)
OKLab	oklab(62.95% -0.0571 -0.1027)
OKLCH	oklch(62.95% 0.117 240.9)
XYZ	xyz(22.4676, 25.3952, 58.9647)
Luminance	0.2540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B91C9 #C9733B

analogous

#3BC9BA #3B91C9 #3B4AC9

triadic

#3B91C9 #C93B91 #91C93B

tetradic

#3B91C9 #BA3BC9 #C9733B #4AC93B

square

#3B91C9 #BA3BC9 #C9733B #4AC93B

split-complementary

#3B91C9 #C93B4A #C9BA3B

monochromatic

#1E4D6C #2B6F9C #3B91C9 #6BACD6 #9BC7E3

Accessibility & contrast

On white

3.45

#3B91C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#3B91C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91C9

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B91C9	#FFFFFF	#000000	##000000
##3B91C9	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CC

Deuteranopia (green-blind)

#6484C8

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3b91c9;
/* rgb */ color: rgb(59, 145, 201);
/* oklch */ color: oklch(63.0% 0.117 240.9);

Tailwind

colors: {
  custom: {
    50: '#82b1d9',
    500: '#3b91c9',
    950: '#000000',
  },
}

SCSS

$custom: #3b91c9;
$custom-light: #82b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b91c9",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 201
  },
  "hsl": {
    "h": 203.662,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62952,
    "c": 0.11746,
    "h": 240.9
  },
  "luminance": 0.25398
}

Semantic roles & 50–950 ramp

primary

#3B91C9

secondary

#CFA990

accent

#8448E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3B91C9

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

Preview Lab → · Contrast checker → · Palette generator →