#403E70#403E70

#403E70 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.1% C 0.083 H 283.7°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#403E70
RGB	rgb(64, 62, 112)
HSL	hsl(242, 29%, 34%)
HSV	hsv(242, 45%, 44%)
CMYK	cmyk(42.9%, 44.6%, 0%, 56.1%)
CIE-LAB	lab(28.66, 14.69, -28.70)
CIE-LCH	lch(28.66, 32.24, 297.10°)
OKLab	oklab(39.07% 0.0197 -0.081)
OKLCH	oklch(39.07% 0.083 283.7)
XYZ	xyz(6.7608, 5.7048, 16.0710)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E70 #6E703E

analogous

#3E5570 #403E70 #593E70

triadic

#403E70 #70403E #3E7040

tetradic

#403E70 #703E55 #6E703E #3E7059

square

#403E70 #703E55 #6E703E #3E7059

split-complementary

#403E70 #70593E #55703E

monochromatic

#131221 #292849 #403E70 #575497 #7876B3

Accessibility & contrast

On white

9.81

#403E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#403E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E70

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E70	#FFFFFF	#000000	##FFFFFF
##403E70	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4572

Deuteranopia (green-blind)

#2A426F

Tritanopia (blue-blind)

#324851

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403e70;
/* rgb */ color: rgb(64, 62, 112);
/* oklch */ color: oklch(39.1% 0.083 283.7);

Tailwind

colors: {
  custom: {
    50: '#777399',
    500: '#403e70',
    950: '#000000',
  },
}

SCSS

$custom: #403e70;
$custom-light: #777399;
$custom-dark: #000000;

JSON

{
  "hex": "#403e70",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 112
  },
  "hsl": {
    "h": 242.4,
    "s": 28.736,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39068,
    "c": 0.08332,
    "h": 283.7
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#403E70

secondary

#9B9D6C

accent

#C563C1

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403E70

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

Preview Lab → · Contrast checker → · Palette generator →