#403597#403597

#403597 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.154 H 282.1°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#403597
RGB	rgb(64, 53, 151)
HSL	hsl(247, 48%, 40%)
HSV	hsv(247, 65%, 59%)
CMYK	cmyk(57.6%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(29.08, 33.34, -52.32)
CIE-LCH	lch(29.08, 62.04, 302.51°)
OKLab	oklab(40.26% 0.0322 -0.1504)
OKLCH	oklch(40.26% 0.154 282.1)
XYZ	xyz(8.9716, 5.8700, 29.9324)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403597 #8C9735

analogous

#355B97 #403597 #713597

triadic

#403597 #974035 #359740

tetradic

#403597 #97355B #8C9735 #359771

square

#403597 #97355B #8C9735 #359771

split-complementary

#403597 #977135 #5B9735

monochromatic

#1A153C #2D256A #403597 #574ABF #8177CF

Accessibility & contrast

On white

9.66

#403597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#403597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403597

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403597	#FFFFFF	#000000	##FFFFFF
##403597	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#134D61

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403597;
/* rgb */ color: rgb(64, 53, 151);
/* oklch */ color: oklch(40.3% 0.154 282.1);

Tailwind

colors: {
  custom: {
    50: '#7e6db6',
    500: '#403597',
    950: '#000000',
  },
}

SCSS

$custom: #403597;
$custom-light: #7e6db6;
$custom-dark: #000000;

JSON

{
  "hex": "#403597",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 246.735,
    "s": 48.039,
    "l": 40
  },
  "oklch": {
    "l": 0.40263,
    "c": 0.15376,
    "h": 282.1
  },
  "luminance": 0.05871
}

Semantic roles & 50–950 ramp

primary

#403597

secondary

#B0B870

accent

#D850C8

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #403597

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

Preview Lab → · Contrast checker → · Palette generator →