#3997DA#3997DA

#3997DA is a light, vivid cyan. Relative luminance 0.281; OKLCH L 65.2% C 0.133 H 243.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3997DA
RGB	rgb(57, 151, 218)
HSL	hsl(205, 69%, 54%)
HSV	hsv(205, 74%, 85%)
CMYK	cmyk(73.9%, 30.7%, 0%, 14.5%)
CIE-LAB	lab(59.94, -5.27, -42.00)
CIE-LCH	lch(59.94, 42.33, 262.84°)
OKLab	oklab(65.16% -0.0587 -0.119)
OKLCH	oklch(65.16% 0.133 243.7)
XYZ	xyz(25.4039, 28.0621, 70.3937)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997DA #DA7C39

analogous

#39DACD #3997DA #3947DA

triadic

#3997DA #DA3997 #97DA39

tetradic

#3997DA #CD39DA #DA7C39 #47DA39

square

#3997DA #CD39DA #DA7C39 #47DA39

split-complementary

#3997DA #DA3947 #DACD39

monochromatic

#185581 #2277B4 #3997DA #6DB2E4 #A0CDED

Accessibility & contrast

On white

3.18

#3997DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#3997DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997DA

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997DA	#FFFFFF	#000000	##000000
##3997DA	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7899DD

Deuteranopia (green-blind)

#628AD9

Tritanopia (blue-blind)

#00A7AF

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3997da;
/* rgb */ color: rgb(57, 151, 218);
/* oklch */ color: oklch(65.2% 0.133 243.7);

Tailwind

colors: {
  custom: {
    50: '#84b5e6',
    500: '#3997da',
    950: '#000000',
  },
}

SCSS

$custom: #3997da;
$custom-light: #84b5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3997da",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 218
  },
  "hsl": {
    "h": 204.969,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.65162,
    "c": 0.13266,
    "h": 243.7
  },
  "luminance": 0.28065
}

Semantic roles & 50–950 ramp

primary

#3997DA

secondary

#DAB295

accent

#853CEB

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1116

muted

#7D8084

Preview Lab

Preview with #3997DA

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

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