#3380B1#3380B1

#3380B1 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.4% C 0.106 H 240.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3380B1
RGB	rgb(51, 128, 177)
HSL	hsl(203, 55%, 45%)
HSV	hsv(203, 71%, 69%)
CMYK	cmyk(71.2%, 27.7%, 0%, 30.6%)
CIE-LAB	lab(51.05, -7.22, -32.72)
CIE-LCH	lch(51.05, 33.51, 257.56°)
OKLab	oklab(57.45% -0.0526 -0.0923)
OKLCH	oklch(57.45% 0.106 240.3)
XYZ	xyz(17.0171, 19.3146, 44.4177)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3380B1 #B16433

analogous

#33B1A3 #3380B1 #3341B1

triadic

#3380B1 #B13380 #80B133

tetradic

#3380B1 #A333B1 #B16433 #41B133

square

#3380B1 #A333B1 #B16433 #41B133

split-complementary

#3380B1 #B13341 #B1A333

monochromatic

#183B52 #255E81 #3380B1 #549ECE #83B9DB

Accessibility & contrast

On white

4.32

#3380B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3380B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3380B1

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3380B1	#FFFFFF	#000000	##000000
##3380B1	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6980B3

Deuteranopia (green-blind)

#5874B0

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3380b1;
/* rgb */ color: rgb(51, 128, 177);
/* oklch */ color: oklch(57.4% 0.106 240.3);

Tailwind

colors: {
  custom: {
    50: '#7aa4c8',
    500: '#3380b1',
    950: '#000000',
  },
}

SCSS

$custom: #3380b1;
$custom-light: #7aa4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3380b1",
  "rgb": {
    "r": 51,
    "g": 128,
    "b": 177
  },
  "hsl": {
    "h": 203.333,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57449,
    "c": 0.10626,
    "h": 240.3
  },
  "luminance": 0.19316
}

Semantic roles & 50–950 ramp

primary

#3380B1

secondary

#C5987B

accent

#8349DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3380B1

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

Preview Lab → · Contrast checker → · Palette generator →