#3B82BB#3B82BB

#3B82BB is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.7% C 0.113 H 245.7°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3B82BB
RGB	rgb(59, 130, 187)
HSL	hsl(207, 52%, 48%)
HSV	hsv(207, 68%, 73%)
CMYK	cmyk(68.4%, 30.5%, 0%, 26.7%)
CIE-LAB	lab(52.38, -3.65, -36.38)
CIE-LCH	lch(52.38, 36.56, 264.27°)
OKLab	oklab(58.72% -0.0465 -0.1028)
OKLCH	oklch(58.72% 0.113 245.7)
XYZ	xyz(18.7525, 20.4809, 49.9690)
Luminance	0.2048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B82BB #BB743B

analogous

#3BBBB4 #3B82BB #3B42BB

triadic

#3B82BB #BB3B82 #82BB3B

tetradic

#3B82BB #B43BBB #BB743B #42BB3B

square

#3B82BB #B43BBB #BB743B #42BB3B

split-complementary

#3B82BB #BB3B42 #BBB43B

monochromatic

#1E415E #2C628C #3B82BB #659FCE #93BCDD

Accessibility & contrast

On white

4.12

#3B82BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#3B82BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B82BB

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B82BB	#FFFFFF	#000000	##000000
##3B82BB	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BD

Deuteranopia (green-blind)

#5777BA

Tritanopia (blue-blind)

#009096

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3b82bb;
/* rgb */ color: rgb(59, 130, 187);
/* oklch */ color: oklch(58.7% 0.113 245.7);

Tailwind

colors: {
  custom: {
    50: '#7fa6cf',
    500: '#3b82bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b82bb;
$custom-light: #7fa6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b82bb",
  "rgb": {
    "r": 59,
    "g": 130,
    "b": 187
  },
  "hsl": {
    "h": 206.719,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58722,
    "c": 0.11285,
    "h": 245.7
  },
  "luminance": 0.20483
}

Semantic roles & 50–950 ramp

primary

#3B82BB

secondary

#C8A58A

accent

#8C4CDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3B82BB

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

Preview Lab → · Contrast checker → · Palette generator →