#3980B3#3980B3

#3980B3 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.8% C 0.106 H 242.9°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3980B3
RGB	rgb(57, 128, 179)
HSL	hsl(205, 52%, 46%)
HSV	hsv(205, 68%, 70%)
CMYK	cmyk(68.2%, 28.5%, 0%, 29.8%)
CIE-LAB	lab(51.34, -5.58, -33.42)
CIE-LCH	lch(51.34, 33.88, 260.52°)
OKLab	oklab(57.76% -0.0482 -0.0943)
OKLCH	oklch(57.76% 0.106 242.9)
XYZ	xyz(17.5401, 19.5610, 45.4903)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B3 #B36C39

analogous

#39B3A9 #3980B3 #3943B3

triadic

#3980B3 #B33980 #80B339

tetradic

#3980B3 #A939B3 #B36C39 #43B339

square

#3980B3 #A939B3 #B36C39 #43B339

split-complementary

#3980B3 #B33943 #B3A939

monochromatic

#1B3E56 #2A5F85 #3980B3 #5E9ECC #8CBADA

Accessibility & contrast

On white

4.27

#3980B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3980B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B3

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B3	#FFFFFF	#000000	##000000
##3980B3	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B5

Deuteranopia (green-blind)

#5875B2

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3980b3;
/* rgb */ color: rgb(57, 128, 179);
/* oklch */ color: oklch(57.8% 0.106 242.9);

Tailwind

colors: {
  custom: {
    50: '#7da4ca',
    500: '#3980b3',
    950: '#000000',
  },
}

SCSS

$custom: #3980b3;
$custom-light: #7da4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b3",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 179
  },
  "hsl": {
    "h": 205.082,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57758,
    "c": 0.1059,
    "h": 242.9
  },
  "luminance": 0.19563
}

Semantic roles & 50–950 ramp

primary

#3980B3

secondary

#C59E83

accent

#884DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B3

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

Preview Lab → · Contrast checker → · Palette generator →