#3A4178#3A4178

#3A4178 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.7% C 0.093 H 275.9°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#3A4178
RGB	rgb(58, 65, 120)
HSL	hsl(233, 35%, 35%)
HSV	hsv(233, 52%, 47%)
CMYK	cmyk(51.7%, 45.8%, 0%, 52.9%)
CIE-LAB	lab(29.50, 13.69, -32.44)
CIE-LCH	lch(29.50, 35.21, 292.89°)
OKLab	oklab(39.74% 0.0095 -0.092)
OKLCH	oklch(39.74% 0.093 275.9)
XYZ	xyz(7.0243, 6.0358, 18.5605)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4178 #78713A

analogous

#3A6078 #3A4178 #523A78

triadic

#3A4178 #783A41 #41783A

tetradic

#3A4178 #783A60 #78713A #3A7852

square

#3A4178 #783A60 #78713A #3A7852

split-complementary

#3A4178 #78523A #60783A

monochromatic

#121425 #262B4F #3A4178 #4E57A1 #727ABB

Accessibility & contrast

On white

9.51

#3A4178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3A4178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4178

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4178	#FFFFFF	#000000	##FFFFFF
##3A4178	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A487A

Deuteranopia (green-blind)

#254377

Tritanopia (blue-blind)

#214D56

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3a4178;
/* rgb */ color: rgb(58, 65, 120);
/* oklch */ color: oklch(39.7% 0.093 275.9);

Tailwind

colors: {
  custom: {
    50: '#74759f',
    500: '#3a4178',
    950: '#000000',
  },
}

SCSS

$custom: #3a4178;
$custom-light: #74759f;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4178",
  "rgb": {
    "r": 58,
    "g": 65,
    "b": 120
  },
  "hsl": {
    "h": 233.226,
    "s": 34.831,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39744,
    "c": 0.09252,
    "h": 275.9
  },
  "luminance": 0.06036
}

Semantic roles & 50–950 ramp

primary

#3A4178

secondary

#A49E6A

accent

#BE5DCB

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#08080E

muted

#7B7B7E

Preview Lab

Preview with #3A4178

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

Preview Lab → · Contrast checker → · Palette generator →