#3958DA#3958DA

#3958DA is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 51.8% C 0.202 H 268.1°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3958DA
RGB	rgb(57, 88, 218)
HSL	hsl(228, 69%, 54%)
HSV	hsv(228, 74%, 85%)
CMYK	cmyk(73.9%, 59.6%, 0%, 14.5%)
CIE-LAB	lab(42.63, 33.51, -69.76)
CIE-LCH	lch(42.63, 77.40, 295.66°)
OKLab	oklab(51.82% -0.0065 -0.2015)
OKLCH	oklch(51.82% 0.202 268.1)
XYZ	xyz(17.8276, 12.9093, 67.8683)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958DA #DABB39

analogous

#39A9DA #3958DA #6B39DA

triadic

#3958DA #DA3958 #58DA39

tetradic

#3958DA #DA39A9 #DABB39 #39DA6B

square

#3958DA #DA39A9 #DABB39 #39DA6B

split-complementary

#3958DA #DA6B39 #A9DA39

monochromatic

#182C81 #223EB4 #3958DA #6D83E4 #A0AFED

Accessibility & contrast

On white

5.86

#3958DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3958DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958DA

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958DA	#FFFFFF	#000000	##FFFFFF
##3958DA	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDE

Deuteranopia (green-blind)

#005DD7

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3958da;
/* rgb */ color: rgb(57, 88, 218);
/* oklch */ color: oklch(51.8% 0.202 268.1);

Tailwind

colors: {
  custom: {
    50: '#8686e6',
    500: '#3958da',
    950: '#000000',
  },
}

SCSS

$custom: #3958da;
$custom-light: #8686e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3958da",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 218
  },
  "hsl": {
    "h": 228.447,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51824,
    "c": 0.20159,
    "h": 268.1
  },
  "luminance": 0.12911
}

Semantic roles & 50–950 ramp

primary

#3958DA

secondary

#DACD95

accent

#CA3CEB

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3958DA

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

Preview Lab → · Contrast checker → · Palette generator →