#3983BB#3983BB

#3983BB is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.113 H 244.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3983BB
RGB	rgb(57, 131, 187)
HSL	hsl(206, 53%, 48%)
HSV	hsv(206, 70%, 73%)
CMYK	cmyk(69.5%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(52.61, -4.55, -36.02)
CIE-LCH	lch(52.61, 36.31, 262.80°)
OKLab	oklab(58.89% -0.0488 -0.1018)
OKLCH	oklch(58.89% 0.113 244.4)
XYZ	xyz(18.7699, 20.6883, 50.0081)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3983BB #BB7139

analogous

#39BBB2 #3983BB #3942BB

triadic

#3983BB #BB3983 #83BB39

tetradic

#3983BB #B239BB #BB7139 #42BB39

square

#3983BB #B239BB #BB7139 #42BB39

split-complementary

#3983BB #BB3942 #BBB239

monochromatic

#1C415D #2B628C #3983BB #62A0CF #91BCDD

Accessibility & contrast

On white

4.09

#3983BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3983BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983BB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3983BB	#FFFFFF	#000000	##000000
##3983BB	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A84BD

Deuteranopia (green-blind)

#5878BA

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3983bb;
/* rgb */ color: rgb(57, 131, 187);
/* oklch */ color: oklch(58.9% 0.113 244.4);

Tailwind

colors: {
  custom: {
    50: '#7ea6cf',
    500: '#3983bb',
    950: '#000000',
  },
}

SCSS

$custom: #3983bb;
$custom-light: #7ea6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3983bb",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 205.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58885,
    "c": 0.11289,
    "h": 244.4
  },
  "luminance": 0.2069
}

Semantic roles & 50–950 ramp

primary

#3983BB

secondary

#C8A387

accent

#8A4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3983BB

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

Preview Lab → · Contrast checker → · Palette generator →