#3963A7#3963A7

#3963A7 is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.3% C 0.119 H 259.6°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3963A7
RGB	rgb(57, 99, 167)
HSL	hsl(217, 49%, 44%)
HSV	hsv(217, 66%, 65%)
CMYK	cmyk(65.9%, 40.7%, 0%, 34.5%)
CIE-LAB	lab(42.13, 7.87, -40.95)
CIE-LCH	lch(42.13, 41.70, 280.88°)
OKLab	oklab(50.34% -0.0214 -0.1166)
OKLCH	oklch(50.34% 0.119 259.6)
XYZ	xyz(13.1218, 12.5823, 38.2888)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963A7 #A77D39

analogous

#399AA7 #3963A7 #4639A7

triadic

#3963A7 #A73963 #63A739

tetradic

#3963A7 #A7399A #A77D39 #39A746

square

#3963A7 #A7399A #A77D39 #39A746

split-complementary

#3963A7 #A74639 #9AA739

monochromatic

#1A2D4C #294879 #3963A7 #5782C6 #85A4D5

Accessibility & contrast

On white

5.97

#3963A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3963A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963A7

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963A7	#FFFFFF	#000000	##FFFFFF
##3963A7	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4469AA

Deuteranopia (green-blind)

#345FA6

Tritanopia (blue-blind)

#00737D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3963a7;
/* rgb */ color: rgb(57, 99, 167);
/* oklch */ color: oklch(50.3% 0.119 259.6);

Tailwind

colors: {
  custom: {
    50: '#7b8fc1',
    500: '#3963a7',
    950: '#000000',
  },
}

SCSS

$custom: #3963a7;
$custom-light: #7b8fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3963a7",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 167
  },
  "hsl": {
    "h": 217.091,
    "s": 49.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50342,
    "c": 0.11855,
    "h": 259.6
  },
  "luminance": 0.12584
}

Semantic roles & 50–950 ramp

primary

#3963A7

secondary

#BFA67D

accent

#A44FD9

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3963A7

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

Preview Lab → · Contrast checker → · Palette generator →