#3997AF#3997AF

#3997AF is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.093 H 217.9°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3997AF
RGB	rgb(57, 151, 175)
HSL	hsl(192, 51%, 45%)
HSV	hsv(192, 67%, 69%)
CMYK	cmyk(67.4%, 13.7%, 0%, 31.4%)
CIE-LAB	lab(58.13, -19.72, -20.62)
CIE-LCH	lch(58.13, 28.53, 226.28°)
OKLab	oklab(63.12% -0.0737 -0.0574)
OKLCH	oklch(63.12% 0.093 217.9)
XYZ	xyz(20.4886, 26.0960, 44.5064)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997AF #AF5139

analogous

#39AF8C #3997AF #395CAF

triadic

#3997AF #AF3997 #97AF39

tetradic

#3997AF #8C39AF #AF5139 #5CAF39

square

#3997AF #8C39AF #AF5139 #5CAF39

split-complementary

#3997AF #AF395C #AF8C39

monochromatic

#1B4753 #2A6F81 #3997AF #5BB3CA #8AC9D9

Accessibility & contrast

On white

3.38

#3997AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#3997AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997AF

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997AF	#FFFFFF	#000000	##000000
##3997AF	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8793B0

Deuteranopia (green-blind)

#7786AF

Tritanopia (blue-blind)

#009F9F

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3997af;
/* rgb */ color: rgb(57, 151, 175);
/* oklch */ color: oklch(63.1% 0.093 217.9);

Tailwind

colors: {
  custom: {
    50: '#7eb5c7',
    500: '#3997af',
    950: '#000000',
  },
}

SCSS

$custom: #3997af;
$custom-light: #7eb5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3997af",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 175
  },
  "hsl": {
    "h": 192.203,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.63116,
    "c": 0.09346,
    "h": 217.9
  },
  "luminance": 0.26098
}

Semantic roles & 50–950 ramp

primary

#3997AF

secondary

#C38E81

accent

#6A4DDA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3997AF

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

Preview Lab → · Contrast checker → · Palette generator →