#3381B8#3381B8

#3381B8 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.1% C 0.113 H 243.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3381B8
RGB	rgb(51, 129, 184)
HSL	hsl(205, 57%, 46%)
HSV	hsv(205, 72%, 72%)
CMYK	cmyk(72.3%, 29.9%, 0%, 27.8%)
CIE-LAB	lab(51.68, -5.33, -35.77)
CIE-LCH	lch(51.68, 36.16, 261.53°)
OKLab	oklab(58.06% -0.0513 -0.1012)
OKLCH	oklch(58.06% 0.113 243.1)
XYZ	xyz(17.8639, 19.8630, 48.2306)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3381B8 #B86A33

analogous

#33B8AC #3381B8 #333EB8

triadic

#3381B8 #B83381 #81B833

tetradic

#3381B8 #AC33B8 #B86A33 #3EB833

square

#3381B8 #AC33B8 #B86A33 #3EB833

split-complementary

#3381B8 #B8333E #B8AC33

monochromatic

#183E58 #265F88 #3381B8 #589FD1 #88BADE

Accessibility & contrast

On white

4.22

#3381B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3381B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3381B8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3381B8	#FFFFFF	#000000	##000000
##3381B8	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6882BA

Deuteranopia (green-blind)

#5576B7

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3381b8;
/* rgb */ color: rgb(51, 129, 184);
/* oklch */ color: oklch(58.1% 0.113 243.1);

Tailwind

colors: {
  custom: {
    50: '#7ca5cd',
    500: '#3381b8',
    950: '#000000',
  },
}

SCSS

$custom: #3381b8;
$custom-light: #7ca5cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3381b8",
  "rgb": {
    "r": 51,
    "g": 129,
    "b": 184
  },
  "hsl": {
    "h": 204.812,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58055,
    "c": 0.11344,
    "h": 243.1
  },
  "luminance": 0.19865
}

Semantic roles & 50–950 ramp

primary

#3381B8

secondary

#C89D7F

accent

#8748E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3381B8

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

Preview Lab → · Contrast checker → · Palette generator →