#3984FD#3984FD

#3984FD is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.1% C 0.195 H 259.7°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3984FD
RGB	rgb(57, 132, 253)
HSL	hsl(217, 98%, 61%)
HSV	hsv(217, 77%, 99%)
CMYK	cmyk(77.5%, 47.8%, 0%, 0.8%)
CIE-LAB	lab(56.55, 18.65, -66.81)
CIE-LCH	lch(56.55, 69.37, 285.59°)
OKLab	oklab(63.14% -0.0349 -0.1921)
OKLCH	oklch(63.14% 0.195 259.7)
XYZ	xyz(27.6618, 24.4610, 96.1730)
Luminance	0.2446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3984FD #FDB239

analogous

#39E6FD #3984FD #5039FD

triadic

#3984FD #FD3984 #84FD39

tetradic

#3984FD #FD39E6 #FDB239 #39FD50

square

#3984FD #FD39E6 #FDB239 #39FD50

split-complementary

#3984FD #FD5039 #E6FD39

monochromatic

#0248BA #0260F6 #3984FD #76AAFE #B2CFFE

Accessibility & contrast

On white

3.56

#3984FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#3984FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3984FD

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3984FD	#FFFFFF	#000000	##000000
##3984FD	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E91FF

Deuteranopia (green-blind)

#007FFB

Tritanopia (blue-blind)

#00A1B4

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3984fd;
/* rgb */ color: rgb(57, 132, 253);
/* oklch */ color: oklch(63.1% 0.195 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ba7ff',
    500: '#3984fd',
    950: '#000000',
  },
}

SCSS

$custom: #3984fd;
$custom-light: #8ba7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3984fd",
  "rgb": {
    "r": 57,
    "g": 132,
    "b": 253
  },
  "hsl": {
    "h": 217.041,
    "s": 98,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63135,
    "c": 0.19523,
    "h": 259.7
  },
  "luminance": 0.24464
}

Semantic roles & 50–950 ramp

primary

#3984FD

secondary

#EED2A4

accent

#8E00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F18

muted

#7E7F86

Preview Lab

Preview with #3984FD

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

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