#3A487D#3A487D

#3A487D is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.6% C 0.090 H 270.9°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A487D
RGB	rgb(58, 72, 125)
HSL	hsl(227, 37%, 36%)
HSV	hsv(227, 54%, 49%)
CMYK	cmyk(53.6%, 42.4%, 0%, 51%)
CIE-LAB	lab(31.84, 10.73, -31.85)
CIE-LCH	lch(31.84, 33.61, 288.62°)
OKLab	oklab(41.63% 0.0014 -0.0902)
OKLCH	oklch(41.63% 0.09 270.9)
XYZ	xyz(7.7628, 7.0144, 20.3429)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A487D #7D6F3A

analogous

#3A697D #3A487D #4D3A7D

triadic

#3A487D #7D3A48 #487D3A

tetradic

#3A487D #7D3A69 #7D6F3A #3A7D4D

square

#3A487D #7D3A69 #7D6F3A #3A7D4D

split-complementary

#3A487D #7D4D3A #697D3A

monochromatic

#131829 #273053 #3A487D #4D60A7 #7383BE

Accessibility & contrast

On white

8.74

#3A487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3A487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A487D

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A487D	#FFFFFF	#000000	##FFFFFF
##3A487D	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334E7F

Deuteranopia (green-blind)

#2B487C

Tritanopia (blue-blind)

#1C535C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3a487d;
/* rgb */ color: rgb(58, 72, 125);
/* oklch */ color: oklch(41.6% 0.090 270.9);

Tailwind

colors: {
  custom: {
    50: '#757aa3',
    500: '#3a487d',
    950: '#000000',
  },
}

SCSS

$custom: #3a487d;
$custom-light: #757aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a487d",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 227.463,
    "s": 36.612,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41629,
    "c": 0.09026,
    "h": 270.9
  },
  "luminance": 0.07015
}

Semantic roles & 50–950 ramp

primary

#3A487D

secondary

#A89B6B

accent

#B55BCD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #3A487D

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

Preview Lab → · Contrast checker → · Palette generator →