#3B82CB#3B82CB

#3B82CB is a mid, vivid cyan. Relative luminance 0.212; OKLCH L 59.6% C 0.133 H 251.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3B82CB
RGB	rgb(59, 130, 203)
HSL	hsl(210, 58%, 51%)
HSV	hsv(210, 71%, 80%)
CMYK	cmyk(70.9%, 36%, 0%, 20.4%)
CIE-LAB	lab(53.17, 2.00, -44.25)
CIE-LCH	lch(53.17, 44.29, 272.58°)
OKLab	oklab(59.61% -0.0419 -0.1258)
OKLCH	oklch(59.61% 0.133 251.6)
XYZ	xyz(20.5617, 21.2046, 59.4976)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B82CB #CB843B

analogous

#3BCACB #3B82CB #3C3BCB

triadic

#3B82CB #CB3B82 #82CB3B

tetradic

#3B82CB #CB3BCA #CB843B #3BCB3C

square

#3B82CB #CB3BCA #CB843B #3BCB3C

split-complementary

#3B82CB #CB3C3B #CACB3B

monochromatic

#1D456E #2A649F #3B82CB #6BA1D8 #9CC0E5

Accessibility & contrast

On white

4.01

#3B82CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3B82CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B82CB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B82CB	#FFFFFF	#000000	##000000
##3B82CB	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CE

Deuteranopia (green-blind)

#4C79CA

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3b82cb;
/* rgb */ color: rgb(59, 130, 203);
/* oklch */ color: oklch(59.6% 0.133 251.6);

Tailwind

colors: {
  custom: {
    50: '#82a5db',
    500: '#3b82cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b82cb;
$custom-light: #82a5db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b82cb",
  "rgb": {
    "r": 59,
    "g": 130,
    "b": 203
  },
  "hsl": {
    "h": 210.417,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.59608,
    "c": 0.13261,
    "h": 251.6
  },
  "luminance": 0.21207
}

Semantic roles & 50–950 ramp

primary

#3B82CB

secondary

#D1B191

accent

#9547E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3B82CB

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

Preview Lab → · Contrast checker → · Palette generator →