#3B447A#3B447A

#3B447A is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.6% C 0.091 H 274.5°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#3B447A
RGB	rgb(59, 68, 122)
HSL	hsl(231, 35%, 35%)
HSV	hsv(231, 52%, 48%)
CMYK	cmyk(51.6%, 44.3%, 0%, 52.2%)
CIE-LAB	lab(30.57, 12.62, -32.00)
CIE-LCH	lch(30.57, 34.40, 291.52°)
OKLab	oklab(40.61% 0.0071 -0.0907)
OKLCH	oklch(40.61% 0.091 274.5)
XYZ	xyz(7.3825, 6.4687, 19.2682)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B447A #7A713B

analogous

#3B637A #3B447A #513B7A

triadic

#3B447A #7A3B44 #447A3B

tetradic

#3B447A #7A3B63 #7A713B #3B7A51

square

#3B447A #7A3B63 #7A713B #3B7A51

split-complementary

#3B447A #7A513B #637A3B

monochromatic

#131627 #272D51 #3B447A #4F5BA3 #747EBC

Accessibility & contrast

On white

9.16

#3B447A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3B447A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B447A

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B447A	#FFFFFF	#000000	##FFFFFF
##3B447A	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7C

Deuteranopia (green-blind)

#284579

Tritanopia (blue-blind)

#224F59

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3b447a;
/* rgb */ color: rgb(59, 68, 122);
/* oklch */ color: oklch(40.6% 0.091 274.5);

Tailwind

colors: {
  custom: {
    50: '#7577a1',
    500: '#3b447a',
    950: '#000000',
  },
}

SCSS

$custom: #3b447a;
$custom-light: #7577a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b447a",
  "rgb": {
    "r": 59,
    "g": 68,
    "b": 122
  },
  "hsl": {
    "h": 231.429,
    "s": 34.807,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40614,
    "c": 0.09097,
    "h": 274.5
  },
  "luminance": 0.06469
}

Semantic roles & 50–950 ramp

primary

#3B447A

secondary

#A59D6C

accent

#BB5DCB

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #3B447A

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

Preview Lab → · Contrast checker → · Palette generator →