#3954D5#3954D5

#3954D5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.7% C 0.200 H 268.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#3954D5
RGB	rgb(57, 84, 213)
HSL	hsl(230, 65%, 53%)
HSV	hsv(230, 73%, 84%)
CMYK	cmyk(73.2%, 60.6%, 0%, 16.5%)
CIE-LAB	lab(41.24, 34.25, -69.17)
CIE-LCH	lch(41.24, 77.19, 296.34°)
OKLab	oklab(50.67% -0.0038 -0.1998)
OKLCH	oklch(50.67% 0.2 268.9)
XYZ	xyz(16.8638, 12.0128, 64.3678)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954D5 #D5BA39

analogous

#39A2D5 #3954D5 #6C39D5

triadic

#3954D5 #D53954 #54D539

tetradic

#3954D5 #D539A2 #D5BA39 #39D56C

square

#3954D5 #D539A2 #D5BA39 #39D56C

split-complementary

#3954D5 #D56C39 #A2D539

monochromatic

#1A2A7A #253CAC #3954D5 #6B80E0 #9EABEA

Accessibility & contrast

On white

6.17

#3954D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3954D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954D5

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954D5	#FFFFFF	#000000	##FFFFFF
##3954D5	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#005AD3

Tritanopia (blue-blind)

#00758C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3954d5;
/* rgb */ color: rgb(57, 84, 213);
/* oklch */ color: oklch(50.7% 0.200 268.9);

Tailwind

colors: {
  custom: {
    50: '#8584e3',
    500: '#3954d5',
    950: '#000000',
  },
}

SCSS

$custom: #3954d5;
$custom-light: #8584e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3954d5",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 213
  },
  "hsl": {
    "h": 229.615,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50668,
    "c": 0.19982,
    "h": 268.9
  },
  "luminance": 0.12015
}

Semantic roles & 50–950 ramp

primary

#3954D5

secondary

#D7CB93

accent

#CB40E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0A16

muted

#7D7C84

Preview Lab

Preview with #3954D5

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

Preview Lab → · Contrast checker → · Palette generator →