#403B90#403B90

#403B90 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.136 H 281.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#403B90
RGB	rgb(64, 59, 144)
HSL	hsl(244, 42%, 40%)
HSV	hsv(244, 59%, 56%)
CMYK	cmyk(55.6%, 59%, 0%, 43.5%)
CIE-LAB	lab(29.99, 27.21, -46.55)
CIE-LCH	lch(29.99, 53.92, 300.30°)
OKLab	oklab(40.75% 0.0263 -0.1334)
OKLCH	oklch(40.75% 0.136 281.1)
XYZ	xyz(8.7108, 6.2310, 27.1238)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B90 #8B903B

analogous

#3B6190 #403B90 #6A3B90

triadic

#403B90 #90403B #3B9040

tetradic

#403B90 #903B61 #8B903B #3B906A

square

#403B90 #903B61 #8B903B #3B906A

split-complementary

#403B90 #906A3B #61903B

monochromatic

#191739 #2D2965 #403B90 #5751B8 #817CC9

Accessibility & contrast

On white

9.35

#403B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#403B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B90

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B90	#FFFFFF	#000000	##FFFFFF
##403B90	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#1B4F5F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #403b90;
/* rgb */ color: rgb(64, 59, 144);
/* oklch */ color: oklch(40.8% 0.136 281.1);

Tailwind

colors: {
  custom: {
    50: '#7c71b1',
    500: '#403b90',
    950: '#000000',
  },
}

SCSS

$custom: #403b90;
$custom-light: #7c71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#403b90",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 243.529,
    "s": 41.872,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40753,
    "c": 0.13594,
    "h": 281.1
  },
  "luminance": 0.06232
}

Semantic roles & 50–950 ramp

primary

#403B90

secondary

#AFB374

accent

#D256CA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #403B90

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

Preview Lab → · Contrast checker → · Palette generator →