#3997AC#3997AC

#3997AC is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.0% C 0.092 H 215.3°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#3997AC
RGB	rgb(57, 151, 172)
HSL	hsl(191, 50%, 45%)
HSV	hsv(191, 67%, 67%)
CMYK	cmyk(66.9%, 12.2%, 0%, 32.5%)
CIE-LAB	lab(58.02, -20.67, -19.09)
CIE-LCH	lch(58.02, 28.13, 222.72°)
OKLab	oklab(62.99% -0.0749 -0.0531)
OKLCH	oklch(62.99% 0.092 215.3)
XYZ	xyz(20.1973, 25.9794, 42.9718)
Luminance	0.2598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997AC #AC4E39

analogous

#39AC88 #3997AC #395DAC

triadic

#3997AC #AC3997 #97AC39

tetradic

#3997AC #8839AC #AC4E39 #5DAC39

square

#3997AC #8839AC #AC4E39 #5DAC39

split-complementary

#3997AC #AC395D #AC8839

monochromatic

#1B4650 #2A6F7E #3997AC #5AB4C8 #88C9D8

Accessibility & contrast

On white

3.39

#3997AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#3997AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997AC

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997AC	#FFFFFF	#000000	##000000
##3997AC	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8892AD

Deuteranopia (green-blind)

#7886AC

Tritanopia (blue-blind)

#009F9D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3997ac;
/* rgb */ color: rgb(57, 151, 172);
/* oklch */ color: oklch(63.0% 0.092 215.3);

Tailwind

colors: {
  custom: {
    50: '#7db5c4',
    500: '#3997ac',
    950: '#000000',
  },
}

SCSS

$custom: #3997ac;
$custom-light: #7db5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3997ac",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 172
  },
  "hsl": {
    "h": 190.957,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.62991,
    "c": 0.09185,
    "h": 215.3
  },
  "luminance": 0.25982
}

Semantic roles & 50–950 ramp

primary

#3997AC

secondary

#C28B7F

accent

#684EDA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #3997AC

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

Preview Lab → · Contrast checker → · Palette generator →