#3981DA#3981DA

#3981DA is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.2% C 0.154 H 255.4°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3981DA
RGB	rgb(57, 129, 218)
HSL	hsl(213, 69%, 54%)
HSV	hsv(213, 74%, 85%)
CMYK	cmyk(73.9%, 40.8%, 0%, 14.5%)
CIE-LAB	lab(53.63, 7.73, -52.00)
CIE-LCH	lch(53.63, 52.57, 278.45°)
OKLab	oklab(60.21% -0.0387 -0.1486)
OKLCH	oklch(60.21% 0.154 255.4)
XYZ	xyz(22.1878, 21.6298, 69.3217)
Luminance	0.2163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981DA #DA9239

analogous

#39D2DA #3981DA #4239DA

triadic

#3981DA #DA3981 #81DA39

tetradic

#3981DA #DA39D2 #DA9239 #39DA42

square

#3981DA #DA39D2 #DA9239 #39DA42

split-complementary

#3981DA #DA4239 #D2DA39

monochromatic

#184781 #2263B4 #3981DA #6DA2E4 #A0C3ED

Accessibility & contrast

On white

3.94

#3981DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3981DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981DA

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981DA	#FFFFFF	#000000	##000000
##3981DA	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DE

Deuteranopia (green-blind)

#3B79D8

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3981da;
/* rgb */ color: rgb(57, 129, 218);
/* oklch */ color: oklch(60.2% 0.154 255.4);

Tailwind

colors: {
  custom: {
    50: '#84a5e6',
    500: '#3981da',
    950: '#000000',
  },
}

SCSS

$custom: #3981da;
$custom-light: #84a5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3981da",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 218
  },
  "hsl": {
    "h": 213.168,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.60212,
    "c": 0.15354,
    "h": 255.4
  },
  "luminance": 0.21632
}

Semantic roles & 50–950 ramp

primary

#3981DA

secondary

#DABB95

accent

#9D3CEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3981DA

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

Preview Lab → · Contrast checker → · Palette generator →