#3980BC#3980BC

#3980BC is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.117 H 247.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3980BC
RGB	rgb(57, 128, 188)
HSL	hsl(207, 53%, 48%)
HSV	hsv(207, 70%, 74%)
CMYK	cmyk(69.7%, 31.9%, 0%, 26.3%)
CIE-LAB	lab(51.77, -2.43, -37.92)
CIE-LCH	lch(51.77, 37.99, 266.33°)
OKLab	oklab(58.24% -0.0454 -0.1074)
OKLCH	oklch(58.24% 0.117 247.1)
XYZ	xyz(18.4802, 19.9370, 50.4415)
Luminance	0.1994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980BC #BC7539

analogous

#39BCB6 #3980BC #393EBC

triadic

#3980BC #BC3980 #80BC39

tetradic

#3980BC #B639BC #BC7539 #3EBC39

square

#3980BC #B639BC #BC7539 #3EBC39

split-complementary

#3980BC #BC393E #BCB639

monochromatic

#1D405E #2B608D #3980BC #639ED0 #92BBDE

Accessibility & contrast

On white

4.21

#3980BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3980BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980BC

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980BC	#FFFFFF	#000000	##000000
##3980BC	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BF

Deuteranopia (green-blind)

#5376BB

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3980bc;
/* rgb */ color: rgb(57, 128, 188);
/* oklch */ color: oklch(58.2% 0.117 247.1);

Tailwind

colors: {
  custom: {
    50: '#7ea4d0',
    500: '#3980bc',
    950: '#000000',
  },
}

SCSS

$custom: #3980bc;
$custom-light: #7ea4d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3980bc",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 188
  },
  "hsl": {
    "h": 207.481,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.58238,
    "c": 0.11658,
    "h": 247.1
  },
  "luminance": 0.19939
}

Semantic roles & 50–950 ramp

primary

#3980BC

secondary

#C9A688

accent

#8E4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3980BC

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

Preview Lab → · Contrast checker → · Palette generator →