#3B91D3#3B91D3

#3B91D3 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.129 H 245.2°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3B91D3
RGB	rgb(59, 145, 211)
HSL	hsl(206, 63%, 53%)
HSV	hsv(206, 72%, 83%)
CMYK	cmyk(72%, 31.3%, 0%, 17.3%)
CIE-LAB	lab(57.92, -4.01, -41.26)
CIE-LCH	lch(57.92, 41.45, 264.45°)
OKLab	oklab(63.47% -0.054 -0.1169)
OKLCH	oklch(63.47% 0.129 245.2)
XYZ	xyz(23.6824, 25.8811, 65.3628)
Luminance	0.2588 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B91D3 #D37D3B

analogous

#3BD3C9 #3B91D3 #3B45D3

triadic

#3B91D3 #D33B91 #91D33B

tetradic

#3B91D3 #C93BD3 #D37D3B #45D33B

square

#3B91D3 #C93BD3 #D37D3B #45D33B

split-complementary

#3B91D3 #D33B45 #D3C93B

monochromatic

#1B5079 #2671AB #3B91D3 #6DADDE #9FC9E9

Accessibility & contrast

On white

3.40

#3B91D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#3B91D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91D3

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B91D3	#FFFFFF	#000000	##000000
##3B91D3	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7393D6

Deuteranopia (green-blind)

#5E85D2

Tritanopia (blue-blind)

#00A1A8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3b91d3;
/* rgb */ color: rgb(59, 145, 211);
/* oklch */ color: oklch(63.5% 0.129 245.2);

Tailwind

colors: {
  custom: {
    50: '#83b1e1',
    500: '#3b91d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b91d3;
$custom-light: #83b1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b91d3",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 206.053,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63473,
    "c": 0.12876,
    "h": 245.2
  },
  "luminance": 0.25884
}

Semantic roles & 50–950 ramp

primary

#3B91D3

secondary

#D6B194

accent

#8941E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B91D3

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

Preview Lab → · Contrast checker → · Palette generator →