#3980B8#3980B8

#3980B8 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.0% C 0.112 H 245.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3980B8
RGB	rgb(57, 128, 184)
HSL	hsl(206, 53%, 47%)
HSV	hsv(206, 69%, 72%)
CMYK	cmyk(69%, 30.4%, 0%, 27.8%)
CIE-LAB	lab(51.57, -3.84, -35.92)
CIE-LCH	lch(51.57, 36.13, 263.90°)
OKLab	oklab(58.02% -0.0466 -0.1016)
OKLCH	oklch(58.02% 0.112 245.3)
XYZ	xyz(18.0550, 19.7670, 48.2020)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B8 #B87139

analogous

#39B8B1 #3980B8 #3940B8

triadic

#3980B8 #B83980 #80B839

tetradic

#3980B8 #B139B8 #B87139 #40B839

square

#3980B8 #B139B8 #B87139 #40B839

split-complementary

#3980B8 #B83940 #B8B139

monochromatic

#1C3F5B #2B5F89 #3980B8 #609ECE #8FBADC

Accessibility & contrast

On white

4.24

#3980B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#3980B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B8

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B8	#FFFFFF	#000000	##000000
##3980B8	1.00	4.24	4.95	4.95
#FFFFFF	4.24	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)

#6782BA

Deuteranopia (green-blind)

#5575B7

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3980b8;
/* rgb */ color: rgb(57, 128, 184);
/* oklch */ color: oklch(58.0% 0.112 245.3);

Tailwind

colors: {
  custom: {
    50: '#7ea4cd',
    500: '#3980b8',
    950: '#000000',
  },
}

SCSS

$custom: #3980b8;
$custom-light: #7ea4cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b8",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 184
  },
  "hsl": {
    "h": 206.457,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.58022,
    "c": 0.11176,
    "h": 245.3
  },
  "luminance": 0.19769
}

Semantic roles & 50–950 ramp

primary

#3980B8

secondary

#C7A386

accent

#8B4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B8

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

Preview Lab → · Contrast checker → · Palette generator →