#3F4E7A#3F4E7A

#3F4E7A is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.076 H 268.8°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E7A
RGB	rgb(63, 78, 122)
HSL	hsl(225, 32%, 36%)
HSV	hsv(225, 48%, 48%)
CMYK	cmyk(48.4%, 36.1%, 0%, 52.2%)
CIE-LAB	lab(33.80, 7.07, -26.88)
CIE-LCH	lch(33.80, 27.79, 284.74°)
OKLab	oklab(43.17% -0.0016 -0.0756)
OKLCH	oklch(43.17% 0.076 268.8)
XYZ	xyz(8.2860, 7.9102, 19.4988)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E7A #7A6B3F

analogous

#3F6C7A #3F4E7A #4E3F7A

triadic

#3F4E7A #7A3F4E #4E7A3F

tetradic

#3F4E7A #7A3F6C #7A6B3F #3F7A4E

square

#3F4E7A #7A3F6C #7A6B3F #3F7A4E

split-complementary

#3F4E7A #7A4E3F #6C7A3F

monochromatic

#151A29 #2A3452 #3F4E7A #5468A2 #798ABA

Accessibility & contrast

On white

8.13

#3F4E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3F4E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E7A

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E7A	#FFFFFF	#000000	##FFFFFF
##3F4E7A	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E527C

Deuteranopia (green-blind)

#384D79

Tritanopia (blue-blind)

#29575E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f4e7a;
/* rgb */ color: rgb(63, 78, 122);
/* oklch */ color: oklch(43.2% 0.076 268.8);

Tailwind

colors: {
  custom: {
    50: '#777fa0',
    500: '#3f4e7a',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e7a;
$custom-light: #777fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e7a",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 122
  },
  "hsl": {
    "h": 224.746,
    "s": 31.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43173,
    "c": 0.07562,
    "h": 268.8
  },
  "luminance": 0.07911
}

Semantic roles & 50–950 ramp

primary

#3F4E7A

secondary

#A49770

accent

#AE60C8

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #3F4E7A

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

Preview Lab → · Contrast checker → · Palette generator →