#3A488D#3A488D

#3A488D is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.7% C 0.115 H 272.1°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A488D
RGB	rgb(58, 72, 141)
HSL	hsl(230, 42%, 39%)
HSV	hsv(230, 59%, 55%)
CMYK	cmyk(58.9%, 48.9%, 0%, 44.7%)
CIE-LAB	lab(32.82, 16.33, -40.16)
CIE-LCH	lch(32.82, 43.36, 292.13°)
OKLab	oklab(42.7% 0.0042 -0.1146)
OKLCH	oklch(42.7% 0.115 272.1)
XYZ	xyz(8.8684, 7.4567, 26.1661)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A488D #8D7F3A

analogous

#3A728D #3A488D #563A8D

triadic

#3A488D #8D3A48 #488D3A

tetradic

#3A488D #8D3A72 #8D7F3A #3A8D56

square

#3A488D #8D3A72 #8D7F3A #3A8D56

split-complementary

#3A488D #8D563A #728D3A

monochromatic

#161C36 #283262 #3A488D #4E60B6 #7987C8

Accessibility & contrast

On white

8.43

#3A488D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A488D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A488D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A488D	#FFFFFF	#000000	##FFFFFF
##3A488D	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275190

Deuteranopia (green-blind)

#1A4A8C

Tritanopia (blue-blind)

#025763

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a488d;
/* rgb */ color: rgb(58, 72, 141);
/* oklch */ color: oklch(42.7% 0.115 272.1);

Tailwind

colors: {
  custom: {
    50: '#787aaf',
    500: '#3a488d',
    950: '#000000',
  },
}

SCSS

$custom: #3a488d;
$custom-light: #787aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a488d",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 141
  },
  "hsl": {
    "h": 229.88,
    "s": 41.709,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42701,
    "c": 0.11471,
    "h": 272.1
  },
  "luminance": 0.07457
}

Semantic roles & 50–950 ramp

primary

#3A488D

secondary

#B1A771

accent

#BD56D2

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3A488D

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

Preview Lab → · Contrast checker → · Palette generator →