#3B91D0#3B91D0

#3B91D0 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.3% C 0.125 H 244.0°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3B91D0
RGB	rgb(59, 145, 208)
HSL	hsl(205, 61%, 52%)
HSV	hsv(205, 72%, 82%)
CMYK	cmyk(71.6%, 30.3%, 0%, 18.4%)
CIE-LAB	lab(57.78, -5.05, -39.80)
CIE-LCH	lch(57.78, 40.12, 262.76°)
OKLab	oklab(63.31% -0.0549 -0.1126)
OKLCH	oklch(63.31% 0.125 244)
XYZ	xyz(23.3098, 25.7321, 63.4006)
Luminance	0.2574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B91D0 #D07A3B

analogous

#3BD0C4 #3B91D0 #3B47D0

triadic

#3B91D0 #D03B91 #91D03B

tetradic

#3B91D0 #C43BD0 #D07A3B #47D03B

square

#3B91D0 #C43BD0 #D07A3B #47D03B

split-complementary

#3B91D0 #D03B47 #D0C43B

monochromatic

#1C4F75 #2871A6 #3B91D0 #6CADDC #9EC8E8

Accessibility & contrast

On white

3.42

#3B91D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#3B91D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91D0

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B91D0	#FFFFFF	#000000	##000000
##3B91D0	1.00	3.42	6.15	6.15
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7493D3

Deuteranopia (green-blind)

#6084CF

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3b91d0;
/* rgb */ color: rgb(59, 145, 208);
/* oklch */ color: oklch(63.3% 0.125 244.0);

Tailwind

colors: {
  custom: {
    50: '#83b1de',
    500: '#3b91d0',
    950: '#000000',
  },
}

SCSS

$custom: #3b91d0;
$custom-light: #83b1de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b91d0",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 208
  },
  "hsl": {
    "h": 205.369,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.63314,
    "c": 0.1253,
    "h": 244
  },
  "luminance": 0.25735
}

Semantic roles & 50–950 ramp

primary

#3B91D0

secondary

#D4AE93

accent

#8743E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B91D0

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

Preview Lab → · Contrast checker → · Palette generator →