#3998BF#3998BF

#3998BF is a light, moderate cyan. Relative luminance 0.271; OKLCH L 64.1% C 0.105 H 229.1°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3998BF
RGB	rgb(57, 152, 191)
HSL	hsl(197, 54%, 49%)
HSV	hsv(197, 70%, 75%)
CMYK	cmyk(70.2%, 20.4%, 0%, 25.1%)
CIE-LAB	lab(59.05, -15.05, -28.25)
CIE-LCH	lch(59.05, 32.01, 241.96°)
OKLab	oklab(64.06% -0.0686 -0.0792)
OKLCH	oklch(64.06% 0.105 229.1)
XYZ	xyz(22.3158, 27.0854, 53.3320)
Luminance	0.2709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998BF #BF6039

analogous

#39BFA3 #3998BF #3955BF

triadic

#3998BF #BF3998 #98BF39

tetradic

#3998BF #A339BF #BF6039 #55BF39

square

#3998BF #A339BF #BF6039 #55BF39

split-complementary

#3998BF #BF3955 #BFA339

monochromatic

#1D4D61 #2B7290 #3998BF #64B1D1 #93C9DF

Accessibility & contrast

On white

3.27

#3998BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#3998BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998BF

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998BF	#FFFFFF	#000000	##000000
##3998BF	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8496C1

Deuteranopia (green-blind)

#7188BE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3998bf;
/* rgb */ color: rgb(57, 152, 191);
/* oklch */ color: oklch(64.1% 0.105 229.1);

Tailwind

colors: {
  custom: {
    50: '#80b6d2',
    500: '#3998bf',
    950: '#000000',
  },
}

SCSS

$custom: #3998bf;
$custom-light: #80b6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3998bf",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 191
  },
  "hsl": {
    "h": 197.463,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.64063,
    "c": 0.10479,
    "h": 229.1
  },
  "luminance": 0.27088
}

Semantic roles & 50–950 ramp

primary

#3998BF

secondary

#CA9C8A

accent

#754ADD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3998BF

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

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