#3958D5#3958D5

#3958D5 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.4% C 0.195 H 268.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3958D5
RGB	rgb(57, 88, 213)
HSL	hsl(228, 65%, 53%)
HSV	hsv(228, 73%, 84%)
CMYK	cmyk(73.2%, 58.7%, 0%, 16.5%)
CIE-LAB	lab(42.23, 31.71, -67.54)
CIE-LCH	lch(42.23, 74.62, 295.15°)
OKLab	oklab(51.41% -0.0066 -0.195)
OKLCH	oklch(51.41% 0.195 268.1)
XYZ	xyz(17.1831, 12.6516, 64.4743)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958D5 #D5B639

analogous

#39A6D5 #3958D5 #6839D5

triadic

#3958D5 #D53958 #58D539

tetradic

#3958D5 #D539A6 #D5B639 #39D568

square

#3958D5 #D539A6 #D5B639 #39D568

split-complementary

#3958D5 #D56839 #A6D539

monochromatic

#1A2D7A #2540AC #3958D5 #6B83E0 #9EADEA

Accessibility & contrast

On white

5.95

#3958D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3958D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958D5

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958D5	#FFFFFF	#000000	##FFFFFF
##3958D5	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD9

Deuteranopia (green-blind)

#005DD3

Tritanopia (blue-blind)

#00778E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3958d5;
/* rgb */ color: rgb(57, 88, 213);
/* oklch */ color: oklch(51.4% 0.195 268.1);

Tailwind

colors: {
  custom: {
    50: '#8586e3',
    500: '#3958d5',
    950: '#000000',
  },
}

SCSS

$custom: #3958d5;
$custom-light: #8586e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3958d5",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 213
  },
  "hsl": {
    "h": 228.077,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51409,
    "c": 0.19507,
    "h": 268.1
  },
  "luminance": 0.12653
}

Semantic roles & 50–950 ramp

primary

#3958D5

secondary

#D7C993

accent

#C740E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3958D5

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

Preview Lab → · Contrast checker → · Palette generator →