#40458A#40458A

#40458A is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.3% C 0.113 H 277.3°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#40458A
RGB	rgb(64, 69, 138)
HSL	hsl(236, 37%, 40%)
HSV	hsv(236, 54%, 54%)
CMYK	cmyk(53.6%, 50%, 0%, 45.9%)
CIE-LAB	lab(32.21, 18.62, -39.27)
CIE-LCH	lch(32.21, 43.46, 295.36°)
OKLab	oklab(42.29% 0.0143 -0.1119)
OKLCH	oklch(42.29% 0.113 277.3)
XYZ	xyz(8.8285, 7.1807, 24.9606)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40458A #8A8540

analogous

#406A8A #40458A #60408A

triadic

#40458A #8A4045 #458A40

tetradic

#40458A #8A406A #8A8540 #408A60

square

#40458A #8A406A #8A8540 #408A60

split-complementary

#40458A #8A6040 #6A8A40

monochromatic

#191B36 #2D3060 #40458A #565DB1 #8085C4

Accessibility & contrast

On white

8.62

#40458A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#40458A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40458A

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40458A	#FFFFFF	#000000	##FFFFFF
##40458A	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254F8D

Deuteranopia (green-blind)

#1D4989

Tritanopia (blue-blind)

#205461

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40458a;
/* rgb */ color: rgb(64, 69, 138);
/* oklch */ color: oklch(42.3% 0.113 277.3);

Tailwind

colors: {
  custom: {
    50: '#7b78ad',
    500: '#40458a',
    950: '#000000',
  },
}

SCSS

$custom: #40458a;
$custom-light: #7b78ad;
$custom-dark: #000000;

JSON

{
  "hex": "#40458a",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 138
  },
  "hsl": {
    "h": 235.946,
    "s": 36.634,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42285,
    "c": 0.11281,
    "h": 277.3
  },
  "luminance": 0.07181
}

Semantic roles & 50–950 ramp

primary

#40458A

secondary

#AFAB77

accent

#C55BCD

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #40458A

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

Preview Lab → · Contrast checker → · Palette generator →