#3997C0#3997C0

#3997C0 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.9% C 0.106 H 230.6°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3997C0
RGB	rgb(57, 151, 192)
HSL	hsl(198, 54%, 49%)
HSV	hsv(198, 70%, 75%)
CMYK	cmyk(70.3%, 21.4%, 0%, 24.7%)
CIE-LAB	lab(58.79, -14.17, -29.22)
CIE-LCH	lch(58.79, 32.47, 244.13°)
OKLab	oklab(63.87% -0.0672 -0.082)
OKLCH	oklch(63.87% 0.106 230.6)
XYZ	xyz(22.2646, 26.8063, 53.8597)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997C0 #C06239

analogous

#39C0A6 #3997C0 #3954C0

triadic

#3997C0 #C03997 #97C039

tetradic

#3997C0 #A639C0 #C06239 #54C039

square

#3997C0 #A639C0 #C06239 #54C039

split-complementary

#3997C0 #C03954 #C0A639

monochromatic

#1D4D62 #2B7291 #3997C0 #65B0D1 #94C8DF

Accessibility & contrast

On white

3.30

#3997C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#3997C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997C0

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997C0	#FFFFFF	#000000	##000000
##3997C0	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8295C2

Deuteranopia (green-blind)

#7088BF

Tritanopia (blue-blind)

#00A2A5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3997c0;
/* rgb */ color: rgb(57, 151, 192);
/* oklch */ color: oklch(63.9% 0.106 230.6);

Tailwind

colors: {
  custom: {
    50: '#80b5d3',
    500: '#3997c0',
    950: '#000000',
  },
}

SCSS

$custom: #3997c0;
$custom-light: #80b5d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3997c0",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 192
  },
  "hsl": {
    "h": 198.222,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.6387,
    "c": 0.10603,
    "h": 230.6
  },
  "luminance": 0.26809
}

Semantic roles & 50–950 ramp

primary

#3997C0

secondary

#CB9E8A

accent

#774ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3997C0

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

Preview Lab → · Contrast checker → · Palette generator →