#3A437C#3A437C

#3A437C is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.096 H 274.5°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#3A437C
RGB	rgb(58, 67, 124)
HSL	hsl(232, 36%, 36%)
HSV	hsv(232, 53%, 49%)
CMYK	cmyk(53.2%, 46%, 0%, 51.4%)
CIE-LAB	lab(30.32, 13.72, -33.64)
CIE-LCH	lch(30.32, 36.33, 292.19°)
OKLab	oklab(40.45% 0.0076 -0.0955)
OKLCH	oklch(40.45% 0.096 274.5)
XYZ	xyz(7.3890, 6.3686, 19.9048)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A437C #7C733A

analogous

#3A647C #3A437C #523A7C

triadic

#3A437C #7C3A43 #437C3A

tetradic

#3A437C #7C3A64 #7C733A #3A7C52

square

#3A437C #7C3A64 #7C733A #3A7C52

split-complementary

#3A437C #7C523A #647C3A

monochromatic

#131629 #262C52 #3A437C #4E5AA6 #737DBD

Accessibility & contrast

On white

9.24

#3A437C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3A437C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A437C

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A437C	#FFFFFF	#000000	##FFFFFF
##3A437C	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4A7E

Deuteranopia (green-blind)

#24457B

Tritanopia (blue-blind)

#1E4F59

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3a437c;
/* rgb */ color: rgb(58, 67, 124);
/* oklch */ color: oklch(40.5% 0.096 274.5);

Tailwind

colors: {
  custom: {
    50: '#7576a2',
    500: '#3a437c',
    950: '#000000',
  },
}

SCSS

$custom: #3a437c;
$custom-light: #7576a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a437c",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 124
  },
  "hsl": {
    "h": 231.818,
    "s": 36.264,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4045,
    "c": 0.09583,
    "h": 274.5
  },
  "luminance": 0.06369
}

Semantic roles & 50–950 ramp

primary

#3A437C

secondary

#A79F6B

accent

#BD5CCC

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #3A437C

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

Preview Lab → · Contrast checker → · Palette generator →