#3A489B#3A489B

#3A489B is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.135 H 272.4°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3A489B
RGB	rgb(58, 72, 155)
HSL	hsl(231, 46%, 42%)
HSV	hsv(231, 63%, 61%)
CMYK	cmyk(62.6%, 53.5%, 0%, 39.2%)
CIE-LAB	lab(33.77, 21.32, -47.16)
CIE-LCH	lch(33.77, 51.75, 294.32°)
OKLab	oklab(43.72% 0.0056 -0.1352)
OKLCH	oklch(43.72% 0.135 272.4)
XYZ	xyz(9.9767, 7.9000, 32.0031)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A489B #9B8D3A

analogous

#3A799B #3A489B #5D3A9B

triadic

#3A489B #9B3A48 #489B3A

tetradic

#3A489B #9B3A79 #9B8D3A #3A9B5D

square

#3A489B #9B3A79 #9B8D3A #3A9B5D

split-complementary

#3A489B #9B5D3A #799B3A

monochromatic

#191F42 #29336E #3A489B #5363BF #808BCF

Accessibility & contrast

On white

8.14

#3A489B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3A489B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A489B

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A489B	#FFFFFF	#000000	##FFFFFF
##3A489B	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15549E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a489b;
/* rgb */ color: rgb(58, 72, 155);
/* oklch */ color: oklch(43.7% 0.135 272.4);

Tailwind

colors: {
  custom: {
    50: '#7a7ab9',
    500: '#3a489b',
    950: '#000000',
  },
}

SCSS

$custom: #3a489b;
$custom-light: #7a7ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a489b",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 155
  },
  "hsl": {
    "h": 231.34,
    "s": 45.54,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43723,
    "c": 0.13533,
    "h": 272.4
  },
  "luminance": 0.07901
}

Semantic roles & 50–950 ramp

primary

#3A489B

secondary

#B9B078

accent

#C253D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3A489B

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

Preview Lab → · Contrast checker → · Palette generator →