#3A489C#3A489C

#3A489C is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.137 H 272.4°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3A489C
RGB	rgb(58, 72, 156)
HSL	hsl(231, 46%, 42%)
HSV	hsv(231, 63%, 61%)
CMYK	cmyk(62.8%, 53.8%, 0%, 38.8%)
CIE-LAB	lab(33.84, 21.68, -47.65)
CIE-LCH	lch(33.84, 52.35, 294.46°)
OKLab	oklab(43.8% 0.0057 -0.1366)
OKLCH	oklch(43.8% 0.137 272.4)
XYZ	xyz(10.0610, 7.9337, 32.4472)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A489C #9C8E3A

analogous

#3A799C #3A489C #5D3A9C

triadic

#3A489C #9C3A48 #489C3A

tetradic

#3A489C #9C3A79 #9C8E3A #3A9C5D

square

#3A489C #9C3A79 #9C8E3A #3A9C5D

split-complementary

#3A489C #9C5D3A #799C3A

monochromatic

#191F43 #29336F #3A489C #5463BF #808CD0

Accessibility & contrast

On white

8.12

#3A489C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3A489C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A489C

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A489C	#FFFFFF	#000000	##FFFFFF
##3A489C	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)

#13549F

Deuteranopia (green-blind)

#004B9A

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3a489c;
/* rgb */ color: rgb(58, 72, 156);
/* oklch */ color: oklch(43.8% 0.137 272.4);

Tailwind

colors: {
  custom: {
    50: '#7a7aba',
    500: '#3a489c',
    950: '#000000',
  },
}

SCSS

$custom: #3a489c;
$custom-light: #7a7aba;
$custom-dark: #000000;

JSON

{
  "hex": "#3a489c",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 156
  },
  "hsl": {
    "h": 231.429,
    "s": 45.794,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43798,
    "c": 0.13677,
    "h": 272.4
  },
  "luminance": 0.07935
}

Semantic roles & 50–950 ramp

primary

#3A489C

secondary

#BAB078

accent

#C352D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3A489C

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

Preview Lab → · Contrast checker → · Palette generator →