#3431B9#3431B9

#3431B9 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.205 H 274.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#3431B9
RGB	rgb(52, 49, 185)
HSL	hsl(241, 58%, 46%)
HSV	hsv(241, 74%, 73%)
CMYK	cmyk(71.9%, 73.5%, 0%, 27.5%)
CIE-LAB	lab(30.47, 45.33, -70.53)
CIE-LCH	lch(30.47, 83.85, 302.73°)
OKLab	oklab(41.99% 0.0145 -0.204)
OKLCH	oklch(41.99% 0.205 274.1)
XYZ	xyz(11.2685, 6.4284, 46.5365)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3431B9 #B6B931

analogous

#3172B9 #3431B9 #7831B9

triadic

#3431B9 #B93431 #31B934

tetradic

#3431B9 #B93172 #B6B931 #31B978

square

#3431B9 #B93172 #B6B931 #31B978

split-complementary

#3431B9 #B97831 #72B931

monochromatic

#191758 #262489 #3431B9 #5855D2 #8886DF

Accessibility & contrast

On white

9.19

#3431B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3431B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3431B9

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3431B9	#FFFFFF	#000000	##FFFFFF
##3431B9	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0041B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3431b9;
/* rgb */ color: rgb(52, 49, 185);
/* oklch */ color: oklch(42.0% 0.205 274.1);

Tailwind

colors: {
  custom: {
    50: '#806bcf',
    500: '#3431b9',
    950: '#000000',
  },
}

SCSS

$custom: #3431b9;
$custom-light: #806bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3431b9",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 185
  },
  "hsl": {
    "h": 241.324,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.41991,
    "c": 0.20452,
    "h": 274.1
  },
  "luminance": 0.06429
}

Semantic roles & 50–950 ramp

primary

#3431B9

secondary

#C7C87D

accent

#E146DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3431B9

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

Preview Lab → · Contrast checker → · Palette generator →