#3980BB#3980BB

#3980BB is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.115 H 246.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3980BB
RGB	rgb(57, 128, 187)
HSL	hsl(207, 53%, 48%)
HSV	hsv(207, 70%, 73%)
CMYK	cmyk(69.5%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(51.72, -2.78, -37.42)
CIE-LCH	lch(51.72, 37.52, 265.74°)
OKLab	oklab(58.18% -0.0457 -0.1059)
OKLCH	oklch(58.18% 0.115 246.6)
XYZ	xyz(18.3728, 19.8941, 49.8757)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980BB #BB7439

analogous

#39BBB5 #3980BB #393FBB

triadic

#3980BB #BB3980 #80BB39

tetradic

#3980BB #B539BB #BB7439 #3FBB39

square

#3980BB #B539BB #BB7439 #3FBB39

split-complementary

#3980BB #BB393F #BBB539

monochromatic

#1C405D #2B608C #3980BB #629ECF #91BBDD

Accessibility & contrast

On white

4.22

#3980BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3980BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980BB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980BB	#FFFFFF	#000000	##000000
##3980BB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6682BE

Deuteranopia (green-blind)

#5376BA

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3980bb;
/* rgb */ color: rgb(57, 128, 187);
/* oklch */ color: oklch(58.2% 0.115 246.6);

Tailwind

colors: {
  custom: {
    50: '#7ea4cf',
    500: '#3980bb',
    950: '#000000',
  },
}

SCSS

$custom: #3980bb;
$custom-light: #7ea4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3980bb",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 207.231,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58183,
    "c": 0.11536,
    "h": 246.6
  },
  "luminance": 0.19896
}

Semantic roles & 50–950 ramp

primary

#3980BB

secondary

#C8A587

accent

#8D4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3980BB

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

Preview Lab → · Contrast checker → · Palette generator →