#3380B3#3380B3

#3380B3 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.108 H 241.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3380B3
RGB	rgb(51, 128, 179)
HSL	hsl(204, 56%, 45%)
HSV	hsv(204, 72%, 70%)
CMYK	cmyk(71.5%, 28.5%, 0%, 29.8%)
CIE-LAB	lab(51.15, -6.51, -33.73)
CIE-LCH	lch(51.15, 34.35, 259.07°)
OKLab	oklab(57.55% -0.0519 -0.0952)
OKLCH	oklch(57.55% 0.108 241.4)
XYZ	xyz(17.2179, 19.3949, 45.4752)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3380B3 #B36633

analogous

#33B3A6 #3380B3 #3340B3

triadic

#3380B3 #B33380 #80B333

tetradic

#3380B3 #A633B3 #B36633 #40B333

square

#3380B3 #A633B3 #B36633 #40B333

split-complementary

#3380B3 #B33340 #B3A633

monochromatic

#183C54 #255E83 #3380B3 #559ECE #84B9DC

Accessibility & contrast

On white

4.30

#3380B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3380B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3380B3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3380B3	#FFFFFF	#000000	##000000
##3380B3	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B5

Deuteranopia (green-blind)

#5774B2

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3380b3;
/* rgb */ color: rgb(51, 128, 179);
/* oklch */ color: oklch(57.6% 0.108 241.4);

Tailwind

colors: {
  custom: {
    50: '#7ba4ca',
    500: '#3380b3',
    950: '#000000',
  },
}

SCSS

$custom: #3380b3;
$custom-light: #7ba4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3380b3",
  "rgb": {
    "r": 51,
    "g": 128,
    "b": 179
  },
  "hsl": {
    "h": 203.906,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57553,
    "c": 0.10849,
    "h": 241.4
  },
  "luminance": 0.19397
}

Semantic roles & 50–950 ramp

primary

#3380B3

secondary

#C6997C

accent

#8549DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3380B3

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

Preview Lab → · Contrast checker → · Palette generator →