#3B4E80#3B4E80

#3B4E80 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.3% C 0.086 H 267.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E80
RGB	rgb(59, 78, 128)
HSL	hsl(223, 37%, 37%)
HSV	hsv(223, 54%, 50%)
CMYK	cmyk(53.9%, 39.1%, 0%, 49.8%)
CIE-LAB	lab(33.85, 8.05, -30.53)
CIE-LCH	lch(33.85, 31.57, 284.77°)
OKLab	oklab(43.25% -0.0045 -0.0863)
OKLCH	oklch(43.25% 0.086 267)
XYZ	xyz(8.4230, 7.9365, 21.5059)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E80 #806D3B

analogous

#3B7180 #3B4E80 #4B3B80

triadic

#3B4E80 #803B4E #4E803B

tetradic

#3B4E80 #803B71 #806D3B #3B804B

square

#3B4E80 #803B71 #806D3B #3B804B

split-complementary

#3B4E80 #804B3B #71803B

monochromatic

#141B2C #283456 #3B4E80 #4E68AA #768AC0

Accessibility & contrast

On white

8.12

#3B4E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3B4E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E80

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E80	#FFFFFF	#000000	##FFFFFF
##3B4E80	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5382

Deuteranopia (green-blind)

#324D7F

Tritanopia (blue-blind)

#1A5961

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b4e80;
/* rgb */ color: rgb(59, 78, 128);
/* oklch */ color: oklch(43.3% 0.086 267.0);

Tailwind

colors: {
  custom: {
    50: '#767fa5',
    500: '#3b4e80',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e80;
$custom-light: #767fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e80",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 128
  },
  "hsl": {
    "h": 223.478,
    "s": 36.898,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43251,
    "c": 0.08642,
    "h": 267
  },
  "luminance": 0.07937
}

Semantic roles & 50–950 ramp

primary

#3B4E80

secondary

#A9996E

accent

#AE5BCD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #3B4E80

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

Preview Lab → · Contrast checker → · Palette generator →