#4031AA#4031AA
#4031AA is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.4% C 0.183 H 280.4°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).
Color values
| HEX | #4031AA |
|---|---|
| RGB | rgb(64, 49, 170) |
| HSL | hsl(247, 55%, 43%) |
| HSV | hsv(247, 71%, 67%) |
| CMYK | cmyk(62.4%, 71.2%, 0%, 33.3%) |
| CIE-LAB | lab(29.88, 41.89, -62.52) |
| CIE-LCH | lch(29.88, 75.26, 303.82°) |
| OKLab | oklab(41.36% 0.033 -0.1803) |
| OKLCH | oklch(41.36% 0.183 280.4) |
| XYZ | xyz(10.4661, 6.1881, 38.6653) |
| Luminance | 0.0619 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.38
Indigo Blue
#3A18B1
ΔE00 4.89
Ocean Blue
#4F42B5
ΔE00 4.91
Blue With A Hint Of Purple
#533CC6
ΔE00 5.39
Blueberry
#464196
ΔE00 5.80
Blurple
#5539CC
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4031AA #9BAA31
analogous
#315EAA #4031AA #7C31AA
triadic
#4031AA #AA4031 #31AA40
tetradic
#4031AA #AA315E #9BAA31 #31AA7C
square
#4031AA #AA315E #9BAA31 #31AA7C
split-complementary
#4031AA #AA7C31 #5EAA31
monochromatic
#1C164B #2E237A #4031AA #5C4DCC #887CD9
Accessibility & contrast
On white
9.38
#4031AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.24
#4031AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4031AA
9.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4031AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4031AA | 1.00 | 9.38 | 2.24 | 9.38 |
| #FFFFFF | 9.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004BAE
Deuteranopia (green-blind)
#0042A8
Tritanopia (blue-blind)
#00526A
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #4031aa; /* rgb */ color: rgb(64, 49, 170); /* oklch */ color: oklch(41.4% 0.183 280.4);
Tailwind
colors: {
custom: {
50: '#826bc4',
500: '#4031aa',
950: '#000000',
},
}SCSS
$custom: #4031aa; $custom-light: #826bc4; $custom-dark: #000000;
JSON
{
"hex": "#4031aa",
"rgb": {
"r": 64,
"g": 49,
"b": 170
},
"hsl": {
"h": 247.438,
"s": 55.251,
"l": 42.941
},
"oklch": {
"l": 0.41357,
"c": 0.18327,
"h": 280.4
},
"luminance": 0.06189
}Semantic roles & 50–950 ramp
primary
#4031AA
secondary
#B8C275
accent
#DF49CC
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0713
muted
#7D7A82