#3997C8#3997C8

#3997C8 is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.3% C 0.114 H 235.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3997C8
RGB	rgb(57, 151, 200)
HSL	hsl(201, 57%, 50%)
HSV	hsv(201, 72%, 78%)
CMYK	cmyk(71.5%, 24.5%, 0%, 21.6%)
CIE-LAB	lab(59.13, -11.48, -33.20)
CIE-LCH	lch(59.13, 35.12, 250.93°)
OKLab	oklab(64.25% -0.0644 -0.0934)
OKLCH	oklch(64.25% 0.114 235.4)
XYZ	xyz(23.1752, 27.1706, 58.6554)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997C8 #C86A39

analogous

#39C8B1 #3997C8 #3950C8

triadic

#3997C8 #C83997 #97C839

tetradic

#3997C8 #B139C8 #C86A39 #50C839

square

#3997C8 #B139C8 #C86A39 #50C839

split-complementary

#3997C8 #C83950 #C8B139

monochromatic

#1D4F69 #2B7399 #3997C8 #69B0D5 #99C9E3

Accessibility & contrast

On white

3.26

#3997C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#3997C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997C8

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997C8	#FFFFFF	#000000	##000000
##3997C8	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F96CA

Deuteranopia (green-blind)

#6C88C7

Tritanopia (blue-blind)

#00A4A8

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3997c8;
/* rgb */ color: rgb(57, 151, 200);
/* oklch */ color: oklch(64.3% 0.114 235.4);

Tailwind

colors: {
  custom: {
    50: '#81b5d9',
    500: '#3997c8',
    950: '#000000',
  },
}

SCSS

$custom: #3997c8;
$custom-light: #81b5d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3997c8",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 200
  },
  "hsl": {
    "h": 200.559,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.6425,
    "c": 0.1135,
    "h": 235.4
  },
  "luminance": 0.27173
}

Semantic roles & 50–950 ramp

primary

#3997C8

secondary

#CEA48F

accent

#7C48E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3997C8

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

Preview Lab → · Contrast checker → · Palette generator →