#3997BD#3997BD

#3997BD is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.7% C 0.103 H 228.7°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3997BD
RGB	rgb(57, 151, 189)
HSL	hsl(197, 54%, 48%)
HSV	hsv(197, 70%, 74%)
CMYK	cmyk(69.8%, 20.1%, 0%, 25.9%)
CIE-LAB	lab(58.67, -15.17, -27.71)
CIE-LCH	lch(58.67, 31.59, 241.31°)
OKLab	oklab(63.73% -0.0683 -0.0777)
OKLCH	oklch(63.73% 0.103 228.7)
XYZ	xyz(21.9356, 26.6747, 52.1269)
Luminance	0.2668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997BD #BD5F39

analogous

#39BDA1 #3997BD #3955BD

triadic

#3997BD #BD3997 #97BD39

tetradic

#3997BD #A139BD #BD5F39 #55BD39

square

#3997BD #A139BD #BD5F39 #55BD39

split-complementary

#3997BD #BD3955 #BDA139

monochromatic

#1D4C5F #2B718E #3997BD #63B1D0 #92C8DE

Accessibility & contrast

On white

3.31

#3997BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#3997BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997BD

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997BD	#FFFFFF	#000000	##000000
##3997BD	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8395BF

Deuteranopia (green-blind)

#7187BC

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3997bd;
/* rgb */ color: rgb(57, 151, 189);
/* oklch */ color: oklch(63.7% 0.103 228.7);

Tailwind

colors: {
  custom: {
    50: '#80b5d1',
    500: '#3997bd',
    950: '#000000',
  },
}

SCSS

$custom: #3997bd;
$custom-light: #80b5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3997bd",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 189
  },
  "hsl": {
    "h": 197.273,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.63732,
    "c": 0.10345,
    "h": 228.7
  },
  "luminance": 0.26677
}

Semantic roles & 50–950 ramp

primary

#3997BD

secondary

#C99B89

accent

#754BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3997BD

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

Preview Lab → · Contrast checker → · Palette generator →