#351FAC#351FAC

#351FAC is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.4% C 0.205 H 277.7°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#351FAC
RGB	rgb(53, 31, 172)
HSL	hsl(249, 69%, 40%)
HSV	hsv(249, 82%, 67%)
CMYK	cmyk(69.2%, 82%, 0%, 32.5%)
CIE-LAB	lab(25.91, 50.61, -70.31)
CIE-LCH	lch(25.91, 86.64, 305.75°)
OKLab	oklab(38.4% 0.0275 -0.2031)
OKLCH	oklch(38.4% 0.205 277.7)
XYZ	xyz(9.4022, 4.7146, 39.4362)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#351FAC #96AC1F

analogous

#1F4FAC #351FAC #7C1FAC

triadic

#351FAC #AC351F #1FAC35

tetradic

#351FAC #AC1F4F #96AC1F #1FAC7C

square

#351FAC #AC1F4F #96AC1F #1FAC7C

split-complementary

#351FAC #AC7C1F #4FAC1F

monochromatic

#150C44 #251678 #351FAC #492FD9 #7763E3

Accessibility & contrast

On white

10.81

#351FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#351FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351FAC

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##351FAC	#FFFFFF	#000000	##FFFFFF
##351FAC	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B0

Deuteranopia (green-blind)

#0037AA

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #351fac;
/* rgb */ color: rgb(53, 31, 172);
/* oklch */ color: oklch(38.4% 0.205 277.7);

Tailwind

colors: {
  custom: {
    50: '#7f60c6',
    500: '#351fac',
    950: '#000000',
  },
}

SCSS

$custom: #351fac;
$custom-light: #7f60c6;
$custom-dark: #000000;

JSON

{
  "hex": "#351fac",
  "rgb": {
    "r": 53,
    "g": 31,
    "b": 172
  },
  "hsl": {
    "h": 249.362,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38396,
    "c": 0.20498,
    "h": 277.7
  },
  "luminance": 0.04715
}

Semantic roles & 50–950 ramp

primary

#351FAC

secondary

#B7C85F

accent

#EC3CD1

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #351FAC

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

Preview Lab → · Contrast checker → · Palette generator →