#3380B4#3380B4

#3380B4 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.110 H 241.9°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3380B4
RGB	rgb(51, 128, 180)
HSL	hsl(204, 56%, 45%)
HSV	hsv(204, 72%, 71%)
CMYK	cmyk(71.7%, 28.9%, 0%, 29.4%)
CIE-LAB	lab(51.19, -6.16, -34.23)
CIE-LCH	lch(51.19, 34.78, 259.80°)
OKLab	oklab(57.61% -0.0516 -0.0967)
OKLCH	oklch(57.61% 0.11 241.9)
XYZ	xyz(17.3194, 19.4355, 46.0098)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3380B4 #B46733

analogous

#33B4A7 #3380B4 #3340B4

triadic

#3380B4 #B43380 #80B433

tetradic

#3380B4 #A733B4 #B46733 #40B433

square

#3380B4 #A733B4 #B46733 #40B433

split-complementary

#3380B4 #B43340 #B4A733

monochromatic

#183C55 #255E84 #3380B4 #559ECF #85B9DC

Accessibility & contrast

On white

4.30

#3380B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3380B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3380B4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3380B4	#FFFFFF	#000000	##000000
##3380B4	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6881B6

Deuteranopia (green-blind)

#5674B3

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3380b4;
/* rgb */ color: rgb(51, 128, 180);
/* oklch */ color: oklch(57.6% 0.110 241.9);

Tailwind

colors: {
  custom: {
    50: '#7ba4ca',
    500: '#3380b4',
    950: '#000000',
  },
}

SCSS

$custom: #3380b4;
$custom-light: #7ba4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3380b4",
  "rgb": {
    "r": 51,
    "g": 128,
    "b": 180
  },
  "hsl": {
    "h": 204.186,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57606,
    "c": 0.10962,
    "h": 241.9
  },
  "luminance": 0.19437
}

Semantic roles & 50–950 ramp

primary

#3380B4

secondary

#C69A7D

accent

#8549DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3380B4

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

Preview Lab → · Contrast checker → · Palette generator →