#3997BA#3997BA

#3997BA is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.6% C 0.101 H 226.6°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3997BA
RGB	rgb(57, 151, 186)
HSL	hsl(196, 53%, 48%)
HSV	hsv(196, 69%, 73%)
CMYK	cmyk(69.4%, 18.8%, 0%, 27.1%)
CIE-LAB	lab(58.55, -16.16, -26.20)
CIE-LCH	lch(58.55, 30.78, 238.34°)
OKLab	oklab(63.6% -0.0695 -0.0733)
OKLCH	oklch(63.6% 0.101 226.6)
XYZ	xyz(21.6133, 26.5458, 50.4296)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997BA #BA5C39

analogous

#39BA9C #3997BA #3957BA

triadic

#3997BA #BA3997 #97BA39

tetradic

#3997BA #9C39BA #BA5C39 #57BA39

square

#3997BA #9C39BA #BA5C39 #57BA39

split-complementary

#3997BA #BA3957 #BA9C39

monochromatic

#1C4B5C #2B718B #3997BA #61B1CF #90C8DD

Accessibility & contrast

On white

3.33

#3997BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#3997BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997BA

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997BA	#FFFFFF	#000000	##000000
##3997BA	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BC

Deuteranopia (green-blind)

#7287BA

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3997ba;
/* rgb */ color: rgb(57, 151, 186);
/* oklch */ color: oklch(63.6% 0.101 226.6);

Tailwind

colors: {
  custom: {
    50: '#7fb5ce',
    500: '#3997ba',
    950: '#000000',
  },
}

SCSS

$custom: #3997ba;
$custom-light: #7fb5ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3997ba",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 186
  },
  "hsl": {
    "h": 196.279,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.63595,
    "c": 0.10101,
    "h": 226.6
  },
  "luminance": 0.26548
}

Semantic roles & 50–950 ramp

primary

#3997BA

secondary

#C89987

accent

#734BDC

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3997BA

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

Preview Lab → · Contrast checker → · Palette generator →