#3381BC#3381BC

#3381BC is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.118 H 244.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3381BC
RGB	rgb(51, 129, 188)
HSL	hsl(206, 57%, 47%)
HSV	hsv(206, 73%, 74%)
CMYK	cmyk(72.9%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(51.87, -3.90, -37.76)
CIE-LCH	lch(51.87, 37.96, 264.10°)
OKLab	oklab(58.27% -0.0501 -0.1069)
OKLCH	oklch(58.27% 0.118 244.9)
XYZ	xyz(18.2891, 20.0331, 50.4701)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3381BC #BC6E33

analogous

#33BCB2 #3381BC #333DBC

triadic

#3381BC #BC3381 #81BC33

tetradic

#3381BC #B233BC #BC6E33 #3DBC33

square

#3381BC #B233BC #BC6E33 #3DBC33

split-complementary

#3381BC #BC333D #BCB233

monochromatic

#193F5C #26608C #3381BC #5A9ED2 #8ABBDF

Accessibility & contrast

On white

4.19

#3381BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#3381BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3381BC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3381BC	#FFFFFF	#000000	##000000
##3381BC	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683BF

Deuteranopia (green-blind)

#5376BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3381bc;
/* rgb */ color: rgb(51, 129, 188);
/* oklch */ color: oklch(58.3% 0.118 244.9);

Tailwind

colors: {
  custom: {
    50: '#7ca5d0',
    500: '#3381bc',
    950: '#000000',
  },
}

SCSS

$custom: #3381bc;
$custom-light: #7ca5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3381bc",
  "rgb": {
    "r": 51,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 205.839,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5827,
    "c": 0.1181,
    "h": 244.9
  },
  "luminance": 0.20035
}

Semantic roles & 50–950 ramp

primary

#3381BC

secondary

#C9A081

accent

#8947E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3381BC

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

Preview Lab → · Contrast checker → · Palette generator →