#3980DD#3980DD

#3980DD is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.2% C 0.159 H 256.4°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3980DD
RGB	rgb(57, 128, 221)
HSL	hsl(214, 71%, 55%)
HSV	hsv(214, 74%, 87%)
CMYK	cmyk(74.2%, 42.1%, 0%, 13.3%)
CIE-LAB	lab(53.52, 9.43, -53.87)
CIE-LCH	lch(53.52, 54.68, 279.93°)
OKLab	oklab(60.18% -0.0373 -0.1541)
OKLCH	oklch(60.18% 0.159 256.4)
XYZ	xyz(22.4529, 21.5261, 71.3642)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980DD #DD9639

analogous

#39D2DD #3980DD #4439DD

triadic

#3980DD #DD3980 #80DD39

tetradic

#3980DD #DD39D2 #DD9639 #39DD44

square

#3980DD #DD39D2 #DD9639 #39DD44

split-complementary

#3980DD #DD4439 #D2DD39

monochromatic

#174685 #2062B9 #3980DD #6DA2E6 #A1C3EF

Accessibility & contrast

On white

3.96

#3980DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3980DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980DD

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980DD	#FFFFFF	#000000	##000000
##3980DD	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5288E1

Deuteranopia (green-blind)

#3579DB

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3980dd;
/* rgb */ color: rgb(57, 128, 221);
/* oklch */ color: oklch(60.2% 0.159 256.4);

Tailwind

colors: {
  custom: {
    50: '#84a4e8',
    500: '#3980dd',
    950: '#000000',
  },
}

SCSS

$custom: #3980dd;
$custom-light: #84a4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3980dd",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 221
  },
  "hsl": {
    "h": 214.024,
    "s": 70.69,
    "l": 54.51
  },
  "oklch": {
    "l": 0.6018,
    "c": 0.15851,
    "h": 256.4
  },
  "luminance": 0.21529
}

Semantic roles & 50–950 ramp

primary

#3980DD

secondary

#DCBE96

accent

#A03AED

background

#F8FAFE

surface

#F0F3FD

border

#CBCDD5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3980DD

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

Preview Lab → · Contrast checker → · Palette generator →