#3381BF#3381BF

#3381BF is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.122 H 246.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3381BF
RGB	rgb(51, 129, 191)
HSL	hsl(207, 58%, 47%)
HSV	hsv(207, 73%, 75%)
CMYK	cmyk(73.3%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(52.02, -2.83, -39.24)
CIE-LCH	lch(52.02, 39.34, 265.88°)
OKLab	oklab(58.44% -0.0492 -0.1113)
OKLCH	oklch(58.44% 0.122 246.1)
XYZ	xyz(18.6159, 20.1638, 52.1910)
Luminance	0.2017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3381BF #BF7133

analogous

#33BFB7 #3381BF #333BBF

triadic

#3381BF #BF3381 #81BF33

tetradic

#3381BF #B733BF #BF7133 #3BBF33

square

#3381BF #B733BF #BF7133 #3BBF33

split-complementary

#3381BF #BF333B #BFB733

monochromatic

#19405E #26608F #3381BF #5C9ED3 #8CBBE0

Accessibility & contrast

On white

4.17

#3381BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3381BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3381BF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3381BF	#FFFFFF	#000000	##000000
##3381BF	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583C2

Deuteranopia (green-blind)

#5176BE

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3381bf;
/* rgb */ color: rgb(51, 129, 191);
/* oklch */ color: oklch(58.4% 0.122 246.1);

Tailwind

colors: {
  custom: {
    50: '#7da5d2',
    500: '#3381bf',
    950: '#000000',
  },
}

SCSS

$custom: #3381bf;
$custom-light: #7da5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3381bf",
  "rgb": {
    "r": 51,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 206.571,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.58435,
    "c": 0.12168,
    "h": 246.1
  },
  "luminance": 0.20166
}

Semantic roles & 50–950 ramp

primary

#3381BF

secondary

#CBA383

accent

#8B47E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3381BF

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

Preview Lab → · Contrast checker → · Palette generator →