#3F5F97#3F5F97

#3F5F97 is a mid, moderate blue. Relative luminance 0.115; OKLCH L 48.8% C 0.098 H 261.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3F5F97
RGB	rgb(63, 95, 151)
HSL	hsl(218, 41%, 42%)
HSV	hsv(218, 58%, 59%)
CMYK	cmyk(58.3%, 37.1%, 0%, 40.8%)
CIE-LAB	lab(40.37, 5.94, -34.20)
CIE-LCH	lch(40.37, 34.71, 279.86°)
OKLab	oklab(48.77% -0.0154 -0.0968)
OKLCH	oklch(48.77% 0.098 261)
XYZ	xyz(11.7261, 11.4746, 30.8690)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5F97 #97773F

analogous

#3F8B97 #3F5F97 #4B3F97

triadic

#3F5F97 #973F5F #5F973F

tetradic

#3F5F97 #973F8B #97773F #3F974B

square

#3F5F97 #973F8B #97773F #3F974B

split-complementary

#3F5F97 #974B3F #8B973F

monochromatic

#1B2941 #2D446C #3F5F97 #597CBA #859ECC

Accessibility & contrast

On white

6.37

#3F5F97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3F5F97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5F97

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5F97	#FFFFFF	#000000	##FFFFFF
##3F5F97	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486499

Deuteranopia (green-blind)

#3D5B96

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3f5f97;
/* rgb */ color: rgb(63, 95, 151);
/* oklch */ color: oklch(48.8% 0.098 261.0);

Tailwind

colors: {
  custom: {
    50: '#7b8cb6',
    500: '#3f5f97',
    950: '#000000',
  },
}

SCSS

$custom: #3f5f97;
$custom-light: #7b8cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5f97",
  "rgb": {
    "r": 63,
    "g": 95,
    "b": 151
  },
  "hsl": {
    "h": 218.182,
    "s": 41.121,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48771,
    "c": 0.09802,
    "h": 261
  },
  "luminance": 0.11476
}

Semantic roles & 50–950 ramp

primary

#3F5F97

secondary

#B6A17C

accent

#A557D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F5F97

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

Preview Lab → · Contrast checker → · Palette generator →