#3980B7#3980B7

#3980B7 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.111 H 244.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3980B7
RGB	rgb(57, 128, 183)
HSL	hsl(206, 53%, 47%)
HSV	hsv(206, 69%, 72%)
CMYK	cmyk(68.9%, 30.1%, 0%, 28.2%)
CIE-LAB	lab(51.53, -4.19, -35.42)
CIE-LCH	lch(51.53, 35.67, 263.26°)
OKLab	oklab(57.97% -0.047 -0.1001)
OKLCH	oklch(57.97% 0.111 244.9)
XYZ	xyz(17.9505, 19.7252, 47.6519)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B7 #B77039

analogous

#39B7AF #3980B7 #3941B7

triadic

#3980B7 #B73980 #80B739

tetradic

#3980B7 #AF39B7 #B77039 #41B739

square

#3980B7 #AF39B7 #B77039 #41B739

split-complementary

#3980B7 #B73941 #B7AF39

monochromatic

#1C3F5A #2A5F88 #3980B7 #609ECD #8EBADC

Accessibility & contrast

On white

4.25

#3980B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#3980B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B7

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B7	#FFFFFF	#000000	##000000
##3980B7	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6782B9

Deuteranopia (green-blind)

#5675B6

Tritanopia (blue-blind)

#008D93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3980b7;
/* rgb */ color: rgb(57, 128, 183);
/* oklch */ color: oklch(58.0% 0.111 244.9);

Tailwind

colors: {
  custom: {
    50: '#7ea4cd',
    500: '#3980b7',
    950: '#000000',
  },
}

SCSS

$custom: #3980b7;
$custom-light: #7ea4cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b7",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 183
  },
  "hsl": {
    "h": 206.19,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57969,
    "c": 0.11058,
    "h": 244.9
  },
  "luminance": 0.19727
}

Semantic roles & 50–950 ramp

primary

#3980B7

secondary

#C7A285

accent

#8B4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B7

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

Preview Lab → · Contrast checker → · Palette generator →