#3998BE#3998BE

#3998BE is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.0% C 0.104 H 228.4°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3998BE
RGB	rgb(57, 152, 190)
HSL	hsl(197, 54%, 48%)
HSV	hsv(197, 70%, 75%)
CMYK	cmyk(70%, 20%, 0%, 25.5%)
CIE-LAB	lab(59.01, -15.38, -27.75)
CIE-LCH	lch(59.01, 31.73, 241.00°)
OKLab	oklab(64.02% -0.069 -0.0778)
OKLCH	oklch(64.02% 0.104 228.4)
XYZ	xyz(22.2061, 27.0415, 52.7544)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998BE #BE5F39

analogous

#39BEA1 #3998BE #3955BE

triadic

#3998BE #BE3998 #98BE39

tetradic

#3998BE #A139BE #BE5F39 #55BE39

square

#3998BE #A139BE #BE5F39 #55BE39

split-complementary

#3998BE #BE3955 #BEA139

monochromatic

#1D4D60 #2B728F #3998BE #64B1D0 #93C9DF

Accessibility & contrast

On white

3.28

#3998BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#3998BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998BE

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998BE	#FFFFFF	#000000	##000000
##3998BE	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495C0

Deuteranopia (green-blind)

#7288BD

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3998be;
/* rgb */ color: rgb(57, 152, 190);
/* oklch */ color: oklch(64.0% 0.104 228.4);

Tailwind

colors: {
  custom: {
    50: '#80b6d1',
    500: '#3998be',
    950: '#000000',
  },
}

SCSS

$custom: #3998be;
$custom-light: #80b6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3998be",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 190
  },
  "hsl": {
    "h": 197.143,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64017,
    "c": 0.10395,
    "h": 228.4
  },
  "luminance": 0.27044
}

Semantic roles & 50–950 ramp

primary

#3998BE

secondary

#CA9C89

accent

#744BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3998BE

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

Preview Lab → · Contrast checker → · Palette generator →