#3431B7#3431B7

#3431B7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.202 H 274.2°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3431B7
RGB	rgb(52, 49, 183)
HSL	hsl(241, 58%, 45%)
HSV	hsv(241, 73%, 72%)
CMYK	cmyk(71.6%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(30.27, 44.68, -69.68)
CIE-LCH	lch(30.27, 82.77, 302.67°)
OKLab	oklab(41.79% 0.0149 -0.2015)
OKLCH	oklch(41.79% 0.202 274.2)
XYZ	xyz(11.0589, 6.3445, 45.4324)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3431B7 #B4B731

analogous

#3171B7 #3431B7 #7731B7

triadic

#3431B7 #B73431 #31B734

tetradic

#3431B7 #B73171 #B4B731 #31B777

square

#3431B7 #B73171 #B4B731 #31B777

split-complementary

#3431B7 #B77731 #71B731

monochromatic

#191756 #262487 #3431B7 #5754D1 #8684DE

Accessibility & contrast

On white

9.25

#3431B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3431B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3431B7

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3431B7	#FFFFFF	#000000	##FFFFFF
##3431B7	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3431b7;
/* rgb */ color: rgb(52, 49, 183);
/* oklch */ color: oklch(41.8% 0.202 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f6bce',
    500: '#3431b7',
    950: '#000000',
  },
}

SCSS

$custom: #3431b7;
$custom-light: #7f6bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3431b7",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 241.343,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41786,
    "c": 0.20207,
    "h": 274.2
  },
  "luminance": 0.06346
}

Semantic roles & 50–950 ramp

primary

#3431B7

secondary

#C6C87C

accent

#E147DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3431B7

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

Preview Lab → · Contrast checker → · Palette generator →