#3B81D6#3B81D6

#3B81D6 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.0% C 0.148 H 254.9°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B81D6
RGB	rgb(59, 129, 214)
HSL	hsl(213, 65%, 54%)
HSV	hsv(213, 72%, 84%)
CMYK	cmyk(72.4%, 39.7%, 0%, 16.1%)
CIE-LAB	lab(53.47, 6.54, -49.99)
CIE-LCH	lch(53.47, 50.42, 277.46°)
OKLab	oklab(60.04% -0.0384 -0.1426)
OKLCH	oklch(60.04% 0.148 254.9)
XYZ	xyz(21.7870, 21.4829, 66.6037)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B81D6 #D6903B

analogous

#3BCFD6 #3B81D6 #423BD6

triadic

#3B81D6 #D63B81 #81D63B

tetradic

#3B81D6 #D63BCF #D6903B #3BD642

square

#3B81D6 #D63BCF #D6903B #3BD642

split-complementary

#3B81D6 #D6423B #CFD63B

monochromatic

#1A477D #2563AF #3B81D6 #6EA2E1 #A0C2EB

Accessibility & contrast

On white

3.96

#3B81D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3B81D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B81D6

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B81D6	#FFFFFF	#000000	##000000
##3B81D6	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5988D9

Deuteranopia (green-blind)

#4079D4

Tritanopia (blue-blind)

#0095A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3b81d6;
/* rgb */ color: rgb(59, 129, 214);
/* oklch */ color: oklch(60.0% 0.148 254.9);

Tailwind

colors: {
  custom: {
    50: '#84a5e3',
    500: '#3b81d6',
    950: '#000000',
  },
}

SCSS

$custom: #3b81d6;
$custom-light: #84a5e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b81d6",
  "rgb": {
    "r": 59,
    "g": 129,
    "b": 214
  },
  "hsl": {
    "h": 212.903,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.60035,
    "c": 0.14772,
    "h": 254.9
  },
  "luminance": 0.21485
}

Semantic roles & 50–950 ramp

primary

#3B81D6

secondary

#D8BA95

accent

#9C3FE8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3B81D6

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

Preview Lab → · Contrast checker → · Palette generator →