#3391BA#3391BA

#3391BA is a mid, moderate cyan. Relative luminance 0.245; OKLCH L 62.0% C 0.106 H 231.0°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3391BA
RGB	rgb(51, 145, 186)
HSL	hsl(198, 57%, 46%)
HSV	hsv(198, 73%, 73%)
CMYK	cmyk(72.6%, 22%, 0%, 27.1%)
CIE-LAB	lab(56.58, -13.74, -29.26)
CIE-LCH	lch(56.58, 32.33, 244.86°)
OKLab	oklab(61.98% -0.0665 -0.0822)
OKLCH	oklch(61.98% 0.106 231)
XYZ	xyz(20.3500, 24.4974, 50.1008)
Luminance	0.2450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3391BA #BA5C33

analogous

#33BAA0 #3391BA #334EBA

triadic

#3391BA #BA3391 #91BA33

tetradic

#3391BA #A033BA #BA5C33 #4EBA33

square

#3391BA #A033BA #BA5C33 #4EBA33

split-complementary

#3391BA #BA334E #BAA033

monochromatic

#19465A #266C8A #3391BA #59ADD1 #89C5DF

Accessibility & contrast

On white

3.56

#3391BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#3391BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3391BA

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3391BA	#FFFFFF	#000000	##000000
##3391BA	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBC

Deuteranopia (green-blind)

#6A82B9

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3391ba;
/* rgb */ color: rgb(51, 145, 186);
/* oklch */ color: oklch(62.0% 0.106 231.0);

Tailwind

colors: {
  custom: {
    50: '#7db1cf',
    500: '#3391ba',
    950: '#000000',
  },
}

SCSS

$custom: #3391ba;
$custom-light: #7db1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3391ba",
  "rgb": {
    "r": 51,
    "g": 145,
    "b": 186
  },
  "hsl": {
    "h": 198.222,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.61977,
    "c": 0.10574,
    "h": 231
  },
  "luminance": 0.245
}

Semantic roles & 50–950 ramp

primary

#3391BA

secondary

#C99680

accent

#7648E0

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3391BA

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

Preview Lab → · Contrast checker → · Palette generator →