#3F4E76#3F4E76

#3F4E76 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.9% C 0.069 H 267.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E76
RGB	rgb(63, 78, 118)
HSL	hsl(224, 30%, 35%)
HSV	hsv(224, 47%, 46%)
CMYK	cmyk(46.6%, 33.9%, 0%, 53.7%)
CIE-LAB	lab(33.59, 5.76, -24.71)
CIE-LCH	lch(33.59, 25.37, 283.13°)
OKLab	oklab(42.95% -0.0027 -0.0693)
OKLCH	oklch(42.95% 0.069 267.8)
XYZ	xyz(8.0433, 7.8131, 18.2203)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E76 #76673F

analogous

#3F6976 #3F4E76 #4B3F76

triadic

#3F4E76 #763F4E #4E763F

tetradic

#3F4E76 #763F69 #76673F #3F764B

square

#3F4E76 #763F69 #76673F #3F764B

split-complementary

#3F4E76 #764B3F #69763F

monochromatic

#141926 #2A344E #3F4E76 #54689E #7889B7

Accessibility & contrast

On white

8.19

#3F4E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3F4E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E76

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E76	#FFFFFF	#000000	##FFFFFF
##3F4E76	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405278

Deuteranopia (green-blind)

#3A4D75

Tritanopia (blue-blind)

#2B565C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f4e76;
/* rgb */ color: rgb(63, 78, 118);
/* oklch */ color: oklch(42.9% 0.069 267.8);

Tailwind

colors: {
  custom: {
    50: '#777f9d',
    500: '#3f4e76',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e76;
$custom-light: #777f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e76",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 118
  },
  "hsl": {
    "h": 223.636,
    "s": 30.387,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42947,
    "c": 0.06936,
    "h": 267.8
  },
  "luminance": 0.07814
}

Semantic roles & 50–950 ramp

primary

#3F4E76

secondary

#A2946F

accent

#AB61C7

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0E

muted

#7B7C7E

Preview Lab

Preview with #3F4E76

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

Preview Lab → · Contrast checker → · Palette generator →