#3A337D#3A337D

#3A337D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.121 H 283.1°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A337D
RGB	rgb(58, 51, 125)
HSL	hsl(246, 42%, 35%)
HSV	hsv(246, 59%, 49%)
CMYK	cmyk(53.6%, 59.2%, 0%, 51%)
CIE-LAB	lab(26.00, 24.77, -41.20)
CIE-LCH	lch(26.00, 48.08, 301.01°)
OKLab	oklab(37.22% 0.0274 -0.1179)
OKLCH	oklch(37.22% 0.121 283.1)
XYZ	xyz(6.6293, 4.7475, 19.9651)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A337D #767D33

analogous

#33517D #3A337D #5F337D

triadic

#3A337D #7D3A33 #337D3A

tetradic

#3A337D #7D3351 #767D33 #337D5F

square

#3A337D #7D3351 #767D33 #337D5F

split-complementary

#3A337D #7D5F33 #517D33

monochromatic

#121026 #262152 #3A337D #4E45A8 #7169C2

Accessibility & contrast

On white

10.77

#3A337D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3A337D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A337D

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A337D	#FFFFFF	#000000	##FFFFFF
##3A337D	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#1F4452

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3a337d;
/* rgb */ color: rgb(58, 51, 125);
/* oklch */ color: oklch(37.2% 0.121 283.1);

Tailwind

colors: {
  custom: {
    50: '#766ba3',
    500: '#3a337d',
    950: '#000000',
  },
}

SCSS

$custom: #3a337d;
$custom-light: #766ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a337d",
  "rgb": {
    "r": 58,
    "g": 51,
    "b": 125
  },
  "hsl": {
    "h": 245.676,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37223,
    "c": 0.12103,
    "h": 283.1
  },
  "luminance": 0.04748
}

Semantic roles & 50–950 ramp

primary

#3A337D

secondary

#A3AA62

accent

#D256C6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3A337D

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

Preview Lab → · Contrast checker → · Palette generator →