#3F4875#3F4875

#3F4875 is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.5% C 0.076 H 274.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F4875
RGB	rgb(63, 72, 117)
HSL	hsl(230, 30%, 35%)
HSV	hsv(230, 46%, 46%)
CMYK	cmyk(46.2%, 38.5%, 0%, 54.1%)
CIE-LAB	lab(31.75, 9.37, -26.97)
CIE-LCH	lch(31.75, 28.55, 289.15°)
OKLab	oklab(41.51% 0.0054 -0.0759)
OKLCH	oklch(41.51% 0.076 274)
XYZ	xyz(7.5772, 6.9755, 17.7733)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4875 #756C3F

analogous

#3F6375 #3F4875 #513F75

triadic

#3F4875 #753F48 #48753F

tetradic

#3F4875 #753F63 #756C3F #3F7551

square

#3F4875 #753F63 #756C3F #3F7551

split-complementary

#3F4875 #75513F #63753F

monochromatic

#141725 #2A304D #3F4875 #54609D #7882B6

Accessibility & contrast

On white

8.77

#3F4875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3F4875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4875

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4875	#FFFFFF	#000000	##FFFFFF
##3F4875	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384D77

Deuteranopia (green-blind)

#334974

Tritanopia (blue-blind)

#2C5159

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f4875;
/* rgb */ color: rgb(63, 72, 117);
/* oklch */ color: oklch(41.5% 0.076 274.0);

Tailwind

colors: {
  custom: {
    50: '#777a9d',
    500: '#3f4875',
    950: '#000000',
  },
}

SCSS

$custom: #3f4875;
$custom-light: #777a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4875",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 117
  },
  "hsl": {
    "h": 230,
    "s": 30,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41508,
    "c": 0.07609,
    "h": 274
  },
  "luminance": 0.06976
}

Semantic roles & 50–950 ramp

primary

#3F4875

secondary

#A1996F

accent

#B562C6

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #3F4875

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

Preview Lab → · Contrast checker → · Palette generator →