#3F34C9#3F34C9

#3F34C9 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.8% C 0.218 H 276.2°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F34C9
RGB	rgb(63, 52, 201)
HSL	hsl(244, 59%, 50%)
HSV	hsv(244, 74%, 79%)
CMYK	cmyk(68.7%, 74.1%, 0%, 21.2%)
CIE-LAB	lab(33.41, 49.93, -75.06)
CIE-LCH	lch(33.41, 90.15, 303.63°)
OKLab	oklab(44.75% 0.0236 -0.2169)
OKLCH	oklch(44.75% 0.218 276.2)
XYZ	xyz(13.8171, 7.7285, 56.0106)
Luminance	0.0773 (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

#3F34C9 #BEC934

analogous

#3473C9 #3F34C9 #8A34C9

triadic

#3F34C9 #C93F34 #34C93F

tetradic

#3F34C9 #C93473 #BEC934 #34C98A

square

#3F34C9 #C93473 #BEC934 #34C98A

split-complementary

#3F34C9 #C98A34 #73C934

monochromatic

#211B68 #302798 #3F34C9 #6C63D7 #9A94E3

Accessibility & contrast

On white

8.25

#3F34C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3F34C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34C9

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34C9	#FFFFFF	#000000	##FFFFFF
##3F34C9	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CD

Deuteranopia (green-blind)

#0048C6

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f34c9;
/* rgb */ color: rgb(63, 52, 201);
/* oklch */ color: oklch(44.8% 0.218 276.2);

Tailwind

colors: {
  custom: {
    50: '#876edb',
    500: '#3f34c9',
    950: '#000000',
  },
}

SCSS

$custom: #3f34c9;
$custom-light: #876edb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34c9",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 201
  },
  "hsl": {
    "h": 244.43,
    "s": 58.893,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44753,
    "c": 0.21822,
    "h": 276.2
  },
  "luminance": 0.0773
}

Semantic roles & 50–950 ramp

primary

#3F34C9

secondary

#C9CE8A

accent

#E246D7

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F34C9

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

Preview Lab → · Contrast checker → · Palette generator →