#3A488F#3A488F

#3A488F is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.8% C 0.118 H 272.2°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3A488F
RGB	rgb(58, 72, 143)
HSL	hsl(230, 42%, 39%)
HSV	hsv(230, 59%, 56%)
CMYK	cmyk(59.4%, 49.7%, 0%, 43.9%)
CIE-LAB	lab(32.96, 17.04, -41.18)
CIE-LCH	lch(32.96, 44.56, 292.48°)
OKLab	oklab(42.84% 0.0044 -0.1176)
OKLCH	oklch(42.84% 0.118 272.2)
XYZ	xyz(9.0186, 7.5168, 26.9569)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A488F #8F813A

analogous

#3A738F #3A488F #573A8F

triadic

#3A488F #8F3A48 #488F3A

tetradic

#3A488F #8F3A73 #8F813A #3A8F57

square

#3A488F #8F3A73 #8F813A #3A8F57

split-complementary

#3A488F #8F573A #738F3A

monochromatic

#171C38 #283263 #3A488F #4F60B7 #7A87C9

Accessibility & contrast

On white

8.39

#3A488F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3A488F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A488F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A488F	#FFFFFF	#000000	##FFFFFF
##3A488F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255192

Deuteranopia (green-blind)

#174A8D

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a488f;
/* rgb */ color: rgb(58, 72, 143);
/* oklch */ color: oklch(42.8% 0.118 272.2);

Tailwind

colors: {
  custom: {
    50: '#787ab0',
    500: '#3a488f',
    950: '#000000',
  },
}

SCSS

$custom: #3a488f;
$custom-light: #787ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a488f",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 143
  },
  "hsl": {
    "h": 230.118,
    "s": 42.289,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42842,
    "c": 0.11769,
    "h": 272.2
  },
  "luminance": 0.07517
}

Semantic roles & 50–950 ramp

primary

#3A488F

secondary

#B3A872

accent

#BE56D2

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3A488F

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

Preview Lab → · Contrast checker → · Palette generator →