#3A448D#3A448D

#3A448D is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.120 H 274.1°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A448D
RGB	rgb(58, 68, 141)
HSL	hsl(233, 42%, 39%)
HSV	hsv(233, 59%, 55%)
CMYK	cmyk(58.9%, 51.8%, 0%, 44.7%)
CIE-LAB	lab(31.71, 18.99, -41.96)
CIE-LCH	lch(31.71, 46.06, 294.36°)
OKLab	oklab(41.85% 0.0087 -0.1199)
OKLCH	oklch(41.85% 0.12 274.1)
XYZ	xyz(8.6182, 6.9562, 26.0827)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A448D #8D833A

analogous

#3A6E8D #3A448D #5A3A8D

triadic

#3A448D #8D3A44 #448D3A

tetradic

#3A448D #8D3A6E #8D833A #3A8D5A

square

#3A448D #8D3A6E #8D833A #3A8D5A

split-complementary

#3A448D #8D5A3A #6E8D3A

monochromatic

#161A36 #282F62 #3A448D #4E5BB6 #7983C8

Accessibility & contrast

On white

8.78

#3A448D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3A448D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A448D

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A448D	#FFFFFF	#000000	##FFFFFF
##3A448D	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4E90

Deuteranopia (green-blind)

#0E478B

Tritanopia (blue-blind)

#045562

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3a448d;
/* rgb */ color: rgb(58, 68, 141);
/* oklch */ color: oklch(41.9% 0.120 274.1);

Tailwind

colors: {
  custom: {
    50: '#7877af',
    500: '#3a448d',
    950: '#000000',
  },
}

SCSS

$custom: #3a448d;
$custom-light: #7877af;
$custom-dark: #000000;

JSON

{
  "hex": "#3a448d",
  "rgb": {
    "r": 58,
    "g": 68,
    "b": 141
  },
  "hsl": {
    "h": 232.771,
    "s": 41.709,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41854,
    "c": 0.12027,
    "h": 274.1
  },
  "luminance": 0.06957
}

Semantic roles & 50–950 ramp

primary

#3A448D

secondary

#B1AA71

accent

#C356D2

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3A448D

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

Preview Lab → · Contrast checker → · Palette generator →