#3A488C#3A488C

#3A488C is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.6% C 0.113 H 272.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A488C
RGB	rgb(58, 72, 140)
HSL	hsl(230, 41%, 39%)
HSV	hsv(230, 59%, 55%)
CMYK	cmyk(58.6%, 48.6%, 0%, 45.1%)
CIE-LAB	lab(32.76, 15.98, -39.65)
CIE-LCH	lch(32.76, 42.75, 291.94°)
OKLab	oklab(42.63% 0.004 -0.1131)
OKLCH	oklch(42.63% 0.113 272)
XYZ	xyz(8.7944, 7.4271, 25.7760)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A488C #8C7E3A

analogous

#3A718C #3A488C #553A8C

triadic

#3A488C #8C3A48 #488C3A

tetradic

#3A488C #8C3A71 #8C7E3A #3A8C55

square

#3A488C #8C3A71 #8C7E3A #3A8C55

split-complementary

#3A488C #8C553A #718C3A

monochromatic

#161B35 #283261 #3A488C #4E5FB6 #7986C7

Accessibility & contrast

On white

8.45

#3A488C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A488C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A488C

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A488C	#FFFFFF	#000000	##FFFFFF
##3A488C	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28518F

Deuteranopia (green-blind)

#1C4A8B

Tritanopia (blue-blind)

#045763

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a488c;
/* rgb */ color: rgb(58, 72, 140);
/* oklch */ color: oklch(42.6% 0.113 272.0);

Tailwind

colors: {
  custom: {
    50: '#777aae',
    500: '#3a488c',
    950: '#000000',
  },
}

SCSS

$custom: #3a488c;
$custom-light: #777aae;
$custom-dark: #000000;

JSON

{
  "hex": "#3a488c",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 140
  },
  "hsl": {
    "h": 229.756,
    "s": 41.414,
    "l": 38.824
  },
  "oklch": {
    "l": 0.42631,
    "c": 0.1132,
    "h": 272
  },
  "luminance": 0.07428
}

Semantic roles & 50–950 ramp

primary

#3A488C

secondary

#B1A671

accent

#BC57D1

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3A488C

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

Preview Lab → · Contrast checker → · Palette generator →