#403DAF#403DAF
#403DAF is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.176 H 277.4°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).
Color values
| HEX | #403DAF |
|---|---|
| RGB | rgb(64, 61, 175) |
| HSL | hsl(242, 48%, 46%) |
| HSV | hsv(242, 65%, 69%) |
| CMYK | cmyk(63.4%, 65.1%, 0%, 31.4%) |
| CIE-LAB | lab(32.97, 36.37, -60.46) |
| CIE-LCH | lch(32.97, 70.56, 301.03°) |
| OKLab | oklab(43.72% 0.0227 -0.1742) |
| OKLCH | oklch(43.72% 0.176 277.4) |
| XYZ | xyz(11.5185, 7.5217, 41.3940) |
| Luminance | 0.0752 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.58
Sapphire (survey)
#2138AB
ΔE00 3.54
Blueberry
#464196
ΔE00 4.34
Blue With A Hint Of Purple
#533CC6
ΔE00 4.35
Blue Blue
#2242C7
ΔE00 4.38
Blurple
#5539CC
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403DAF #ACAF3D
analogous
#3D73AF #403DAF #793DAF
triadic
#403DAF #AF403D #3DAF40
tetradic
#403DAF #AF3D73 #ACAF3D #3DAF79
square
#403DAF #AF3D73 #ACAF3D #3DAF79
split-complementary
#403DAF #AF793D #73AF3D
monochromatic
#1F1D54 #2F2D82 #403DAF #6461C8 #918FD8
Accessibility & contrast
On white
8.38
#403DAF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.50
#403DAF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403DAF
8.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403DAF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403DAF | 1.00 | 8.38 | 2.50 | 8.38 |
| #FFFFFF | 8.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052B3
Deuteranopia (green-blind)
#0049AD
Tritanopia (blue-blind)
#005A70
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #403daf; /* rgb */ color: rgb(64, 61, 175); /* oklch */ color: oklch(43.7% 0.176 277.4);
Tailwind
colors: {
custom: {
50: '#8273c8',
500: '#403daf',
950: '#000000',
},
}SCSS
$custom: #403daf; $custom-light: #8273c8; $custom-dark: #000000;
JSON
{
"hex": "#403daf",
"rgb": {
"r": 64,
"g": 61,
"b": 175
},
"hsl": {
"h": 241.579,
"s": 48.305,
"l": 46.275
},
"oklch": {
"l": 0.43719,
"c": 0.17572,
"h": 277.4
},
"luminance": 0.07523
}Semantic roles & 50–950 ramp
primary
#403DAF
secondary
#C1C385
accent
#D850D4
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0813
muted
#7D7B82