#3B507A#3B507A

#3B507A is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.4% C 0.075 H 263.3°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3B507A
RGB	rgb(59, 80, 122)
HSL	hsl(220, 35%, 35%)
HSV	hsv(220, 52%, 48%)
CMYK	cmyk(51.6%, 34.4%, 0%, 52.2%)
CIE-LAB	lab(34.13, 4.70, -26.37)
CIE-LCH	lch(34.13, 26.78, 280.12°)
OKLab	oklab(43.36% -0.0086 -0.0742)
OKLCH	oklch(43.36% 0.075 263.3)
XYZ	xyz(8.1840, 8.0717, 19.5353)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B507A #7A653B

analogous

#3B6F7A #3B507A #453B7A

triadic

#3B507A #7A3B50 #507A3B

tetradic

#3B507A #7A3B6F #7A653B #3B7A45

square

#3B507A #7A3B6F #7A653B #3B7A45

split-complementary

#3B507A #7A453B #6F7A3B

monochromatic

#131A27 #273551 #3B507A #4F6BA3 #748CBC

Accessibility & contrast

On white

8.03

#3B507A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3B507A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B507A

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B507A	#FFFFFF	#000000	##FFFFFF
##3B507A	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40537C

Deuteranopia (green-blind)

#394E79

Tritanopia (blue-blind)

#1F595F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b507a;
/* rgb */ color: rgb(59, 80, 122);
/* oklch */ color: oklch(43.4% 0.075 263.3);

Tailwind

colors: {
  custom: {
    50: '#7580a0',
    500: '#3b507a',
    950: '#000000',
  },
}

SCSS

$custom: #3b507a;
$custom-light: #7580a0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b507a",
  "rgb": {
    "r": 59,
    "g": 80,
    "b": 122
  },
  "hsl": {
    "h": 220,
    "s": 34.807,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43364,
    "c": 0.07468,
    "h": 263.3
  },
  "luminance": 0.08072
}

Semantic roles & 50–950 ramp

primary

#3B507A

secondary

#A5926C

accent

#A65DCB

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #3B507A

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

Preview Lab → · Contrast checker → · Palette generator →