#3F445E#3F445E

#3F445E is a dark, muted blue. Relative luminance 0.060; OKLCH L 39.3% C 0.045 H 275.7°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F445E
RGB	rgb(63, 68, 94)
HSL	hsl(230, 20%, 31%)
HSV	hsv(230, 33%, 37%)
CMYK	cmyk(33%, 27.7%, 0%, 63.1%)
CIE-LAB	lab(29.41, 4.86, -16.03)
CIE-LCH	lch(29.41, 16.75, 286.85°)
OKLab	oklab(39.32% 0.0045 -0.0444)
OKLCH	oklch(39.32% 0.045 275.7)
XYZ	xyz(6.1368, 5.9990, 11.4221)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F445E #5E593F

analogous

#3F535E #3F445E #493F5E

triadic

#3F445E #5E3F44 #445E3F

tetradic

#3F445E #5E3F53 #5E593F #3F5E49

square

#3F445E #5E3F53 #5E593F #3F5E49

split-complementary

#3F445E #5E493F #535E3F

monochromatic

#0E0F15 #262939 #3F445E #585F83 #757CA2

Accessibility & contrast

On white

9.55

#3F445E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3F445E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F445E

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F445E	#FFFFFF	#000000	##FFFFFF
##3F445E	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C475F

Deuteranopia (green-blind)

#3A445D

Tritanopia (blue-blind)

#37494D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f445e;
/* rgb */ color: rgb(63, 68, 94);
/* oklch */ color: oklch(39.3% 0.045 275.7);

Tailwind

colors: {
  custom: {
    50: '#75778b',
    500: '#3f445e',
    950: '#000000',
  },
}

SCSS

$custom: #3f445e;
$custom-light: #75778b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f445e",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 94
  },
  "hsl": {
    "h": 230.323,
    "s": 19.745,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39322,
    "c": 0.04458,
    "h": 275.7
  },
  "luminance": 0.05999
}

Semantic roles & 50–950 ramp

primary

#3F445E

secondary

#8E886B

accent

#AF6BBC

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #3F445E

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

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