#3A489A#3A489A

#3A489A is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.134 H 272.4°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3A489A
RGB	rgb(58, 72, 154)
HSL	hsl(231, 45%, 42%)
HSV	hsv(231, 62%, 60%)
CMYK	cmyk(62.3%, 53.2%, 0%, 39.6%)
CIE-LAB	lab(33.70, 20.96, -46.67)
CIE-LCH	lch(33.70, 51.16, 294.19°)
OKLab	oklab(43.65% 0.0056 -0.1338)
OKLCH	oklch(43.65% 0.134 272.4)
XYZ	xyz(9.8931, 7.8666, 31.5626)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A489A #9A8C3A

analogous

#3A789A #3A489A #5C3A9A

triadic

#3A489A #9A3A48 #489A3A

tetradic

#3A489A #9A3A78 #9A8C3A #3A9A5C

square

#3A489A #9A3A78 #9A8C3A #3A9A5C

split-complementary

#3A489A #9A5C3A #789A3A

monochromatic

#191E41 #29336E #3A489A #5363BE #7F8BCF

Accessibility & contrast

On white

8.16

#3A489A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3A489A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A489A

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A489A	#FFFFFF	#000000	##FFFFFF
##3A489A	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17549D

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a489a;
/* rgb */ color: rgb(58, 72, 154);
/* oklch */ color: oklch(43.6% 0.134 272.4);

Tailwind

colors: {
  custom: {
    50: '#7a7ab8',
    500: '#3a489a',
    950: '#000000',
  },
}

SCSS

$custom: #3a489a;
$custom-light: #7a7ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a489a",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 231.25,
    "s": 45.283,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43647,
    "c": 0.13388,
    "h": 272.4
  },
  "luminance": 0.07867
}

Semantic roles & 50–950 ramp

primary

#3A489A

secondary

#B9AF77

accent

#C253D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3A489A

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

Preview Lab → · Contrast checker → · Palette generator →