#403DAE#403DAE
#403DAE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.174 H 277.5°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).
Color values
| HEX | #403DAE |
|---|---|
| RGB | rgb(64, 61, 174) |
| HSL | hsl(242, 48%, 46%) |
| HSV | hsv(242, 65%, 68%) |
| CMYK | cmyk(63.2%, 64.9%, 0%, 31.8%) |
| CIE-LAB | lab(32.88, 36.03, -60.00) |
| CIE-LCH | lch(32.88, 69.99, 300.99°) |
| OKLab | oklab(43.63% 0.0228 -0.1729) |
| OKLCH | oklch(43.63% 0.174 277.5) |
| XYZ | xyz(11.4206, 7.4826, 40.8786) |
| Luminance | 0.0748 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.63
Sapphire (survey)
#2138AB
ΔE00 3.51
Blueberry
#464196
ΔE00 4.20
Blue With A Hint Of Purple
#533CC6
ΔE00 4.47
Blue Blue
#2242C7
ΔE00 4.48
Blurple
#5539CC
ΔE00 5.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403DAE #ABAE3D
analogous
#3D72AE #403DAE #783DAE
triadic
#403DAE #AE403D #3DAE40
tetradic
#403DAE #AE3D72 #ABAE3D #3DAE78
square
#403DAE #AE3D72 #ABAE3D #3DAE78
split-complementary
#403DAE #AE783D #72AE3D
monochromatic
#1F1D53 #2F2D81 #403DAE #6361C8 #908ED7
Accessibility & contrast
On white
8.41
#403DAE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.50
#403DAE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403DAE
8.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403DAE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403DAE | 1.00 | 8.41 | 2.50 | 8.41 |
| #FFFFFF | 8.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052B2
Deuteranopia (green-blind)
#0049AC
Tritanopia (blue-blind)
#005A70
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #403dae; /* rgb */ color: rgb(64, 61, 174); /* oklch */ color: oklch(43.6% 0.174 277.5);
Tailwind
colors: {
custom: {
50: '#8173c7',
500: '#403dae',
950: '#000000',
},
}SCSS
$custom: #403dae; $custom-light: #8173c7; $custom-dark: #000000;
JSON
{
"hex": "#403dae",
"rgb": {
"r": 64,
"g": 61,
"b": 174
},
"hsl": {
"h": 241.593,
"s": 48.085,
"l": 46.078
},
"oklch": {
"l": 0.43631,
"c": 0.1744,
"h": 277.5
},
"luminance": 0.07483
}Semantic roles & 50–950 ramp
primary
#403DAE
secondary
#C1C285
accent
#D850D4
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0813
muted
#7D7B82