#3970F6#3970F6

#3970F6 is a mid, highly saturated blue. Relative luminance 0.191; OKLCH L 58.6% C 0.209 H 264.1°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3970F6
RGB	rgb(57, 112, 246)
HSL	hsl(223, 91%, 59%)
HSV	hsv(223, 77%, 96%)
CMYK	cmyk(76.8%, 54.5%, 0%, 3.5%)
CIE-LAB	lab(50.81, 28.52, -72.21)
CIE-LCH	lch(50.81, 77.64, 291.55°)
OKLab	oklab(58.62% -0.0215 -0.2083)
OKLCH	oklch(58.62% 0.209 264.1)
XYZ	xyz(24.1101, 19.1092, 89.5887)
Luminance	0.1911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3970F6 #F6BF39

analogous

#39CEF6 #3970F6 #6139F6

triadic

#3970F6 #F63970 #70F639

tetradic

#3970F6 #F639CE #F6BF39 #39F661

square

#3970F6 #F639CE #F6BF39 #39F661

split-complementary

#3970F6 #F66139 #CEF639

monochromatic

#0838AD #0B4BE7 #3970F6 #749AF9 #AEC5FB

Accessibility & contrast

On white

4.35

#3970F6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#3970F6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3970F6

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3970F6	#FFFFFF	#000000	##000000
##3970F6	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082FB

Deuteranopia (green-blind)

#0071F3

Tritanopia (blue-blind)

#0091A8

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3970f6;
/* rgb */ color: rgb(57, 112, 246);
/* oklch */ color: oklch(58.6% 0.209 264.1);

Tailwind

colors: {
  custom: {
    50: '#8a98fa',
    500: '#3970f6',
    950: '#000000',
  },
}

SCSS

$custom: #3970f6;
$custom-light: #8a98fa;
$custom-dark: #000000;

JSON

{
  "hex": "#3970f6",
  "rgb": {
    "r": 57,
    "g": 112,
    "b": 246
  },
  "hsl": {
    "h": 222.54,
    "s": 91.304,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58621,
    "c": 0.20943,
    "h": 264.1
  },
  "luminance": 0.19112
}

Semantic roles & 50–950 ramp

primary

#3970F6

secondary

#EAD5A1

accent

#C129FF

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #3970F6

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

Preview Lab → · Contrast checker → · Palette generator →