#3F82E2#3F82E2

#3F82E2 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.1% C 0.161 H 257.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3F82E2
RGB	rgb(63, 130, 226)
HSL	hsl(215, 74%, 57%)
HSV	hsv(215, 72%, 89%)
CMYK	cmyk(72.1%, 42.5%, 0%, 11.4%)
CIE-LAB	lab(54.56, 10.79, -54.99)
CIE-LCH	lch(54.56, 56.04, 281.10°)
OKLab	oklab(61.14% -0.0341 -0.1573)
OKLCH	oklch(61.14% 0.161 257.8)
XYZ	xyz(23.7550, 22.5104, 75.0298)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82E2 #E29F3F

analogous

#3FD4E2 #3F82E2 #4D3FE2

triadic

#3F82E2 #E23F82 #82E23F

tetradic

#3F82E2 #E23FD4 #E29F3F #3FE24D

square

#3F82E2 #E23FD4 #E29F3F #3FE24D

split-complementary

#3F82E2 #E24D3F #D4E23F

monochromatic

#164891 #1E63C6 #3F82E2 #74A5EA #A9C7F2

Accessibility & contrast

On white

3.82

#3F82E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3F82E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82E2

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82E2	#FFFFFF	#000000	##000000
##3F82E2	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538BE6

Deuteranopia (green-blind)

#367CE0

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f82e2;
/* rgb */ color: rgb(63, 130, 226);
/* oklch */ color: oklch(61.1% 0.161 257.8);

Tailwind

colors: {
  custom: {
    50: '#88a5ec',
    500: '#3f82e2',
    950: '#000000',
  },
}

SCSS

$custom: #3f82e2;
$custom-light: #88a5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82e2",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 226
  },
  "hsl": {
    "h": 215.337,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61138,
    "c": 0.16091,
    "h": 257.8
  },
  "luminance": 0.22513
}

Semantic roles & 50–950 ramp

primary

#3F82E2

secondary

#E0C49D

accent

#A437F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3F82E2

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

Preview Lab → · Contrast checker → · Palette generator →