#3A4D8F#3A4D8F

#3A4D8F is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.9% C 0.111 H 269.4°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3A4D8F
RGB	rgb(58, 77, 143)
HSL	hsl(227, 42%, 39%)
HSV	hsv(227, 59%, 56%)
CMYK	cmyk(59.4%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(34.37, 13.72, -38.90)
CIE-LCH	lch(34.37, 41.25, 289.43°)
OKLab	oklab(43.92% -0.0012 -0.1109)
OKLCH	oklch(43.92% 0.111 269.4)
XYZ	xyz(9.3551, 8.1897, 27.0691)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4D8F #8F7C3A

analogous

#3A788F #3A4D8F #513A8F

triadic

#3A4D8F #8F3A4D #4D8F3A

tetradic

#3A4D8F #8F3A78 #8F7C3A #3A8F51

square

#3A4D8F #8F3A78 #8F7C3A #3A8F51

split-complementary

#3A4D8F #8F513A #788F3A

monochromatic

#171E38 #283663 #3A4D8F #4F66B7 #7A8CC9

Accessibility & contrast

On white

7.96

#3A4D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3A4D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4D8F

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4D8F	#FFFFFF	#000000	##FFFFFF
##3A4D8F	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5591

Deuteranopia (green-blind)

#234D8E

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a4d8f;
/* rgb */ color: rgb(58, 77, 143);
/* oklch */ color: oklch(43.9% 0.111 269.4);

Tailwind

colors: {
  custom: {
    50: '#787eb0',
    500: '#3a4d8f',
    950: '#000000',
  },
}

SCSS

$custom: #3a4d8f;
$custom-light: #787eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4d8f",
  "rgb": {
    "r": 58,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 226.588,
    "s": 42.289,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43923,
    "c": 0.11088,
    "h": 269.4
  },
  "luminance": 0.0819
}

Semantic roles & 50–950 ramp

primary

#3A4D8F

secondary

#B3A472

accent

#B656D2

background

#F7F7FA

surface

#EEEEF5

border

#C9C9CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3A4D8F

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

Preview Lab → · Contrast checker → · Palette generator →