#3959AF#3959AF

#3959AF is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.142 H 266.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3959AF
RGB	rgb(57, 89, 175)
HSL	hsl(224, 51%, 45%)
HSV	hsv(224, 67%, 69%)
CMYK	cmyk(67.4%, 49.1%, 0%, 31.4%)
CIE-LAB	lab(39.76, 17.23, -49.46)
CIE-LCH	lch(39.76, 52.37, 289.20°)
OKLab	oklab(48.68% -0.01 -0.1417)
OKLCH	oklch(48.68% 0.142 266)
XYZ	xyz(12.9949, 11.1085, 42.0085)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959AF #AF8F39

analogous

#3994AF #3959AF #5439AF

triadic

#3959AF #AF3959 #59AF39

tetradic

#3959AF #AF3994 #AF8F39 #39AF54

square

#3959AF #AF3994 #AF8F39 #39AF54

split-complementary

#3959AF #AF5439 #94AF39

monochromatic

#1B2A53 #2A4281 #3959AF #5B79CA #8A9FD9

Accessibility & contrast

On white

6.52

#3959AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3959AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959AF

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959AF	#FFFFFF	#000000	##FFFFFF
##3959AF	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A63B2

Deuteranopia (green-blind)

#0B59AD

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3959af;
/* rgb */ color: rgb(57, 89, 175);
/* oklch */ color: oklch(48.7% 0.142 266.0);

Tailwind

colors: {
  custom: {
    50: '#7d87c7',
    500: '#3959af',
    950: '#000000',
  },
}

SCSS

$custom: #3959af;
$custom-light: #7d87c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3959af",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 175
  },
  "hsl": {
    "h": 223.729,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48682,
    "c": 0.1421,
    "h": 266
  },
  "luminance": 0.1111
}

Semantic roles & 50–950 ramp

primary

#3959AF

secondary

#C3B181

accent

#B44DDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3959AF

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

Preview Lab → · Contrast checker → · Palette generator →