#3038BB#3038BB
#3038BB is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.0% C 0.201 H 271.7°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).
Color values
| HEX | #3038BB |
|---|---|
| RGB | rgb(48, 56, 187) |
| HSL | hsl(237, 59%, 46%) |
| HSV | hsv(237, 74%, 73%) |
| CMYK | cmyk(74.3%, 70.1%, 0%, 26.7%) |
| CIE-LAB | lab(31.91, 41.52, -69.36) |
| CIE-LCH | lch(31.91, 80.84, 300.91°) |
| OKLab | oklab(43.02% 0.006 -0.2007) |
| OKLCH | oklch(43.02% 0.201 271.7) |
| XYZ | xyz(11.5997, 7.0434, 47.7523) |
| Luminance | 0.0704 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.89
Blue Blue
#2242C7
ΔE00 3.43
Ocean Blue
#4F42B5
ΔE00 4.39
Blue With A Hint Of Purple
#533CC6
ΔE00 4.69
Blurple
#5539CC
ΔE00 5.23
Blue (survey)
#0343DF
ΔE00 5.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3038BB #BBB330
analogous
#307DBB #3038BB #6D30BB
triadic
#3038BB #BB3038 #38BB30
tetradic
#3038BB #BB307D #BBB330 #30BB6D
square
#3038BB #BB307D #BBB330 #30BB6D
split-complementary
#3038BB #BB6D30 #7DBB30
monochromatic
#171B5A #23298A #3038BB #555CD3 #868BE0
Accessibility & contrast
On white
8.72
#3038BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#3038BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3038BB
8.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3038BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3038BB | 1.00 | 8.72 | 2.41 | 8.72 |
| #FFFFFF | 8.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052BF
Deuteranopia (green-blind)
#0044B9
Tritanopia (blue-blind)
#005C75
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #3038bb; /* rgb */ color: rgb(48, 56, 187); /* oklch */ color: oklch(43.0% 0.201 271.7);
Tailwind
colors: {
custom: {
50: '#7e6fd1',
500: '#3038bb',
950: '#000000',
},
}SCSS
$custom: #3038bb; $custom-light: #7e6fd1; $custom-dark: #000000;
JSON
{
"hex": "#3038bb",
"rgb": {
"r": 48,
"g": 56,
"b": 187
},
"hsl": {
"h": 236.547,
"s": 59.149,
"l": 46.078
},
"oklch": {
"l": 0.43016,
"c": 0.20078,
"h": 271.7
},
"luminance": 0.07045
}Semantic roles & 50–950 ramp
primary
#3038BB
secondary
#C9C57D
accent
#D945E2
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83