#3998BD#3998BD

#3998BD is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.0% C 0.103 H 227.7°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3998BD
RGB	rgb(57, 152, 189)
HSL	hsl(197, 54%, 48%)
HSV	hsv(197, 70%, 74%)
CMYK	cmyk(69.8%, 19.6%, 0%, 25.9%)
CIE-LAB	lab(58.97, -15.71, -27.25)
CIE-LCH	lch(58.97, 31.45, 240.03°)
OKLab	oklab(63.97% -0.0694 -0.0763)
OKLCH	oklch(63.97% 0.103 227.7)
XYZ	xyz(22.0972, 26.9980, 52.1808)
Luminance	0.2700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998BD #BD5E39

analogous

#39BDA0 #3998BD #3956BD

triadic

#3998BD #BD3998 #98BD39

tetradic

#3998BD #A039BD #BD5E39 #56BD39

square

#3998BD #A039BD #BD5E39 #56BD39

split-complementary

#3998BD #BD3956 #BDA039

monochromatic

#1D4C5F #2B728E #3998BD #63B2D0 #92C9DE

Accessibility & contrast

On white

3.28

#3998BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#3998BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998BD

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998BD	#FFFFFF	#000000	##000000
##3998BD	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495BF

Deuteranopia (green-blind)

#7288BD

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3998bd;
/* rgb */ color: rgb(57, 152, 189);
/* oklch */ color: oklch(64.0% 0.103 227.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3998bd",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 189
  },
  "hsl": {
    "h": 196.818,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.63972,
    "c": 0.10314,
    "h": 227.7
  },
  "luminance": 0.27
}

Semantic roles & 50–950 ramp

primary

#3998BD

secondary

#C99B89

accent

#744BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3998BD

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

Preview Lab → · Contrast checker → · Palette generator →