#3980B4#3980B4

#3980B4 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.8% C 0.107 H 243.4°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3980B4
RGB	rgb(57, 128, 180)
HSL	hsl(205, 52%, 46%)
HSV	hsv(205, 68%, 71%)
CMYK	cmyk(68.3%, 28.9%, 0%, 29.4%)
CIE-LAB	lab(51.38, -5.23, -33.92)
CIE-LCH	lch(51.38, 34.32, 261.23°)
OKLab	oklab(57.81% -0.0479 -0.0957)
OKLCH	oklch(57.81% 0.107 243.4)
XYZ	xyz(17.6416, 19.6016, 46.0249)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B4 #B46D39

analogous

#39B4AB #3980B4 #3943B4

triadic

#3980B4 #B43980 #80B439

tetradic

#3980B4 #AB39B4 #B46D39 #43B439

square

#3980B4 #AB39B4 #B46D39 #43B439

split-complementary

#3980B4 #B43943 #B4AB39

monochromatic

#1C3E57 #2A5F86 #3980B4 #5E9ECC #8DBADB

Accessibility & contrast

On white

4.27

#3980B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3980B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B4

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B4	#FFFFFF	#000000	##000000
##3980B4	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B6

Deuteranopia (green-blind)

#5875B3

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3980b4;
/* rgb */ color: rgb(57, 128, 180);
/* oklch */ color: oklch(57.8% 0.107 243.4);

Tailwind

colors: {
  custom: {
    50: '#7da4ca',
    500: '#3980b4',
    950: '#000000',
  },
}

SCSS

$custom: #3980b4;
$custom-light: #7da4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b4",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 180
  },
  "hsl": {
    "h": 205.366,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57811,
    "c": 0.10705,
    "h": 243.4
  },
  "luminance": 0.19603
}

Semantic roles & 50–950 ramp

primary

#3980B4

secondary

#C59F83

accent

#894CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B4

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

Preview Lab → · Contrast checker → · Palette generator →