#3959DC#3959DC

#3959DC is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.2% C 0.203 H 268.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3959DC
RGB	rgb(57, 89, 220)
HSL	hsl(228, 70%, 54%)
HSV	hsv(228, 74%, 86%)
CMYK	cmyk(74.1%, 59.5%, 0%, 13.7%)
CIE-LAB	lab(43.03, 33.60, -70.24)
CIE-LCH	lch(43.03, 77.86, 295.56°)
OKLab	oklab(52.18% -0.0072 -0.2029)
OKLCH	oklch(52.18% 0.203 268)
XYZ	xyz(18.1735, 13.1800, 69.2825)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959DC #DCBC39

analogous

#39ABDC #3959DC #6B39DC

triadic

#3959DC #DC3959 #59DC39

tetradic

#3959DC #DC39AB #DCBC39 #39DC6B

square

#3959DC #DC39AB #DCBC39 #39DC6B

split-complementary

#3959DC #DC6B39 #ABDC39

monochromatic

#172C83 #203EB7 #3959DC #6D85E5 #A1B0EE

Accessibility & contrast

On white

5.77

#3959DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3959DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959DC

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959DC	#FFFFFF	#000000	##FFFFFF
##3959DC	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE0

Deuteranopia (green-blind)

#005ED9

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3959dc;
/* rgb */ color: rgb(57, 89, 220);
/* oklch */ color: oklch(52.2% 0.203 268.0);

Tailwind

colors: {
  custom: {
    50: '#8687e8',
    500: '#3959dc',
    950: '#000000',
  },
}

SCSS

$custom: #3959dc;
$custom-light: #8687e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3959dc",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 220
  },
  "hsl": {
    "h": 228.221,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52176,
    "c": 0.203,
    "h": 268
  },
  "luminance": 0.13182
}

Semantic roles & 50–950 ramp

primary

#3959DC

secondary

#DBCD96

accent

#CA3BED

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3959DC

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

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