#3F4E7C#3F4E7C

#3F4E7C is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.3% C 0.079 H 269.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E7C
RGB	rgb(63, 78, 124)
HSL	hsl(225, 33%, 37%)
HSV	hsv(225, 49%, 49%)
CMYK	cmyk(49.2%, 37.1%, 0%, 51.4%)
CIE-LAB	lab(33.90, 7.73, -27.95)
CIE-LCH	lch(33.90, 29.00, 285.45°)
OKLab	oklab(43.29% -0.001 -0.0787)
OKLCH	oklch(43.29% 0.079 269.2)
XYZ	xyz(8.4112, 7.9603, 20.1581)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E7C #7C6D3F

analogous

#3F6D7C #3F4E7C #4F3F7C

triadic

#3F4E7C #7C3F4E #4E7C3F

tetradic

#3F4E7C #7C3F6D #7C6D3F #3F7C4F

square

#3F4E7C #7C3F6D #7C6D3F #3F7C4F

split-complementary

#3F4E7C #7C4F3F #6D7C3F

monochromatic

#161B2B #2A3453 #3F4E7C #5468A5 #7A8ABB

Accessibility & contrast

On white

8.10

#3F4E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3F4E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E7C

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E7C	#FFFFFF	#000000	##FFFFFF
##3F4E7C	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D537E

Deuteranopia (green-blind)

#374D7B

Tritanopia (blue-blind)

#27585F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f4e7c;
/* rgb */ color: rgb(63, 78, 124);
/* oklch */ color: oklch(43.3% 0.079 269.2);

Tailwind

colors: {
  custom: {
    50: '#787fa2',
    500: '#3f4e7c',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e7c;
$custom-light: #787fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e7c",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 124
  },
  "hsl": {
    "h": 225.246,
    "s": 32.62,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43288,
    "c": 0.07873,
    "h": 269.2
  },
  "luminance": 0.07961
}

Semantic roles & 50–950 ramp

primary

#3F4E7C

secondary

#A69971

accent

#AF5FC9

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #3F4E7C

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

Preview Lab → · Contrast checker → · Palette generator →