#3951C2#3951C2

#3951C2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.178 H 269.4°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3951C2
RGB	rgb(57, 81, 194)
HSL	hsl(229, 55%, 49%)
HSV	hsv(229, 71%, 76%)
CMYK	cmyk(70.6%, 58.2%, 0%, 23.9%)
CIE-LAB	lab(38.98, 29.34, -61.86)
CIE-LCH	lch(38.98, 68.47, 295.37°)
OKLab	oklab(48.52% -0.0017 -0.1784)
OKLCH	oklch(48.52% 0.178 269.4)
XYZ	xyz(14.3640, 10.6483, 52.3268)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3951C2 #C2AA39

analogous

#3996C2 #3951C2 #6639C2

triadic

#3951C2 #C23951 #51C239

tetradic

#3951C2 #C23996 #C2AA39 #39C266

square

#3951C2 #C23996 #C2AA39 #39C266

split-complementary

#3951C2 #C26639 #96C239

monochromatic

#1D2A63 #2B3D93 #3951C2 #6679D2 #95A2E0

Accessibility & contrast

On white

6.71

#3951C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3951C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3951C2

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3951C2	#FFFFFF	#000000	##FFFFFF
##3951C2	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C6

Deuteranopia (green-blind)

#0056C0

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3951c2;
/* rgb */ color: rgb(57, 81, 194);
/* oklch */ color: oklch(48.5% 0.178 269.4);

Tailwind

colors: {
  custom: {
    50: '#8181d5',
    500: '#3951c2',
    950: '#000000',
  },
}

SCSS

$custom: #3951c2;
$custom-light: #8181d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3951c2",
  "rgb": {
    "r": 57,
    "g": 81,
    "b": 194
  },
  "hsl": {
    "h": 229.489,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48523,
    "c": 0.17837,
    "h": 269.4
  },
  "luminance": 0.1065
}

Semantic roles & 50–950 ramp

primary

#3951C2

secondary

#CBC08B

accent

#C44ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3951C2

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

Preview Lab → · Contrast checker → · Palette generator →