#3980B9#3980B9

#3980B9 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.113 H 245.8°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3980B9
RGB	rgb(57, 128, 185)
HSL	hsl(207, 53%, 47%)
HSV	hsv(207, 69%, 73%)
CMYK	cmyk(69.2%, 30.8%, 0%, 27.5%)
CIE-LAB	lab(51.62, -3.49, -36.42)
CIE-LCH	lch(51.62, 36.59, 264.53°)
OKLab	oklab(58.08% -0.0463 -0.103)
OKLCH	oklch(58.08% 0.113 245.8)
XYZ	xyz(18.1602, 19.8090, 48.7560)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B9 #B97239

analogous

#39B9B2 #3980B9 #3940B9

triadic

#3980B9 #B93980 #80B939

tetradic

#3980B9 #B239B9 #B97239 #40B939

square

#3980B9 #B239B9 #B97239 #40B939

split-complementary

#3980B9 #B93940 #B9B239

monochromatic

#1C3F5B #2B608A #3980B9 #619ECE #90BADD

Accessibility & contrast

On white

4.23

#3980B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#3980B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B9	#FFFFFF	#000000	##000000
##3980B9	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6682BB

Deuteranopia (green-blind)

#5576B8

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3980b9;
/* rgb */ color: rgb(57, 128, 185);
/* oklch */ color: oklch(58.1% 0.113 245.8);

Tailwind

colors: {
  custom: {
    50: '#7ea4ce',
    500: '#3980b9',
    950: '#000000',
  },
}

SCSS

$custom: #3980b9;
$custom-light: #7ea4ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b9",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 185
  },
  "hsl": {
    "h": 206.719,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.58075,
    "c": 0.11297,
    "h": 245.8
  },
  "luminance": 0.19811
}

Semantic roles & 50–950 ramp

primary

#3980B9

secondary

#C8A386

accent

#8C4BDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B9

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

Preview Lab → · Contrast checker → · Palette generator →