#3998BC#3998BC

#3998BC is a light, moderate cyan. Relative luminance 0.270; OKLCH L 63.9% C 0.102 H 227.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3998BC
RGB	rgb(57, 152, 188)
HSL	hsl(196, 53%, 48%)
HSV	hsv(196, 70%, 74%)
CMYK	cmyk(69.7%, 19.1%, 0%, 26.3%)
CIE-LAB	lab(58.93, -16.04, -26.75)
CIE-LCH	lch(58.93, 31.19, 239.05°)
OKLab	oklab(63.93% -0.0697 -0.0749)
OKLCH	oklch(63.93% 0.102 227)
XYZ	xyz(21.9890, 26.9547, 51.6111)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3998BC #BC5D39

analogous

#39BC9F #3998BC #3956BC

triadic

#3998BC #BC3998 #98BC39

tetradic

#3998BC #9F39BC #BC5D39 #56BC39

square

#3998BC #9F39BC #BC5D39 #56BC39

split-complementary

#3998BC #BC3956 #BC9F39

monochromatic

#1D4C5E #2B728D #3998BC #63B2D0 #92C9DE

Accessibility & contrast

On white

3.29

#3998BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#3998BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998BC

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3998BC	#FFFFFF	#000000	##000000
##3998BC	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8595BE

Deuteranopia (green-blind)

#7388BC

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3998bc;
/* rgb */ color: rgb(57, 152, 188);
/* oklch */ color: oklch(63.9% 0.102 227.0);

Tailwind

colors: {
  custom: {
    50: '#80b6d0',
    500: '#3998bc',
    950: '#000000',
  },
}

SCSS

$custom: #3998bc;
$custom-light: #80b6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3998bc",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 188
  },
  "hsl": {
    "h": 196.489,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.63926,
    "c": 0.10233,
    "h": 227
  },
  "luminance": 0.26957
}

Semantic roles & 50–950 ramp

primary

#3998BC

secondary

#C99A88

accent

#734BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3998BC

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

Preview Lab → · Contrast checker → · Palette generator →