#3B83BB#3B83BB

#3B83BB is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.0% C 0.112 H 244.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3B83BB
RGB	rgb(59, 131, 187)
HSL	hsl(206, 52%, 48%)
HSV	hsv(206, 68%, 73%)
CMYK	cmyk(68.4%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(52.67, -4.24, -35.91)
CIE-LCH	lch(52.67, 36.16, 263.27°)
OKLab	oklab(58.96% -0.0475 -0.1015)
OKLCH	oklch(58.96% 0.112 244.9)
XYZ	xyz(18.8862, 20.7483, 50.0136)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B83BB #BB733B

analogous

#3BBBB3 #3B83BB #3B43BB

triadic

#3B83BB #BB3B83 #83BB3B

tetradic

#3B83BB #B33BBB #BB733B #43BB3B

square

#3B83BB #B33BBB #BB733B #43BB3B

split-complementary

#3B83BB #BB3B43 #BBB33B

monochromatic

#1E425E #2C628C #3B83BB #65A0CE #93BDDD

Accessibility & contrast

On white

4.08

#3B83BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3B83BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B83BB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B83BB	#FFFFFF	#000000	##000000
##3B83BB	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A85BD

Deuteranopia (green-blind)

#5878BA

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3b83bb;
/* rgb */ color: rgb(59, 131, 187);
/* oklch */ color: oklch(59.0% 0.112 244.9);

Tailwind

colors: {
  custom: {
    50: '#7fa6cf',
    500: '#3b83bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b83bb;
$custom-light: #7fa6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b83bb",
  "rgb": {
    "r": 59,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 206.25,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58955,
    "c": 0.11204,
    "h": 244.9
  },
  "luminance": 0.2075
}

Semantic roles & 50–950 ramp

primary

#3B83BB

secondary

#C8A58A

accent

#8B4CDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3B83BB

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

Preview Lab → · Contrast checker → · Palette generator →