#3491DD#3491DD

#3491DD is a light, vivid cyan. Relative luminance 0.262; OKLCH L 63.8% C 0.143 H 247.4°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3491DD
RGB	rgb(52, 145, 221)
HSL	hsl(207, 71%, 54%)
HSV	hsv(207, 76%, 87%)
CMYK	cmyk(76.5%, 34.4%, 0%, 13.3%)
CIE-LAB	lab(58.22, -1.35, -46.39)
CIE-LCH	lch(58.22, 46.41, 268.34°)
OKLab	oklab(63.82% -0.0549 -0.1319)
OKLCH	oklch(63.82% 0.143 247.4)
XYZ	xyz(24.5877, 26.1984, 72.1535)
Luminance	0.2620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3491DD #DD8034

analogous

#34DDD4 #3491DD #343CDD

triadic

#3491DD #DD3491 #91DD34

tetradic

#3491DD #D434DD #DD8034 #3CDD34

square

#3491DD #D434DD #DD8034 #3CDD34

split-complementary

#3491DD #DD343C #DDD434

monochromatic

#165181 #1E71B5 #3491DD #68ADE6 #9DCAEF

Accessibility & contrast

On white

3.37

#3491DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#3491DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3491DD

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3491DD	#FFFFFF	#000000	##000000
##3491DD	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94E0

Deuteranopia (green-blind)

#5585DC

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3491dd;
/* rgb */ color: rgb(52, 145, 221);
/* oklch */ color: oklch(63.8% 0.143 247.4);

Tailwind

colors: {
  custom: {
    50: '#83b0e8',
    500: '#3491dd',
    950: '#000000',
  },
}

SCSS

$custom: #3491dd;
$custom-light: #83b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3491dd",
  "rgb": {
    "r": 52,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 206.982,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63817,
    "c": 0.14291,
    "h": 247.4
  },
  "luminance": 0.26201
}

Semantic roles & 50–950 ramp

primary

#3491DD

secondary

#DBB392

accent

#8B3AEE

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3491DD

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

Preview Lab → · Contrast checker → · Palette generator →