#3538B4#3538B4
#3538B4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.191 H 273.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).
Color values
| HEX | #3538B4 |
|---|---|
| RGB | rgb(53, 56, 180) |
| HSL | hsl(239, 55%, 46%) |
| HSV | hsv(239, 71%, 71%) |
| CMYK | cmyk(70.6%, 68.9%, 0%, 29.4%) |
| CIE-LAB | lab(31.53, 39.65, -65.82) |
| CIE-LCH | lch(31.53, 76.84, 301.07°) |
| OKLab | oklab(42.62% 0.0125 -0.1902) |
| OKLCH | oklch(42.62% 0.191 273.7) |
| XYZ | xyz(11.1178, 6.8794, 43.9131) |
| Luminance | 0.0688 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.59
Ocean Blue
#4F42B5
ΔE00 4.06
Blue Blue
#2242C7
ΔE00 4.07
Blue With A Hint Of Purple
#533CC6
ΔE00 4.81
Blurple
#5539CC
ΔE00 5.46
Blueberry
#464196
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3538B4 #B4B135
analogous
#3577B4 #3538B4 #7235B4
triadic
#3538B4 #B43538 #38B435
tetradic
#3538B4 #B43577 #B4B135 #35B472
square
#3538B4 #B43577 #B4B135 #35B472
split-complementary
#3538B4 #B47235 #77B435
monochromatic
#191B55 #272985 #3538B4 #585BCE #888ADC
Accessibility & contrast
On white
8.84
#3538B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#3538B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3538B4
8.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3538B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3538B4 | 1.00 | 8.84 | 2.38 | 8.84 |
| #FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B8
Deuteranopia (green-blind)
#0044B2
Tritanopia (blue-blind)
#005A71
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #3538b4; /* rgb */ color: rgb(53, 56, 180); /* oklch */ color: oklch(42.6% 0.191 273.7);
Tailwind
colors: {
custom: {
50: '#7e6fcc',
500: '#3538b4',
950: '#000000',
},
}SCSS
$custom: #3538b4; $custom-light: #7e6fcc; $custom-dark: #000000;
JSON
{
"hex": "#3538b4",
"rgb": {
"r": 53,
"g": 56,
"b": 180
},
"hsl": {
"h": 238.583,
"s": 54.506,
"l": 45.686
},
"oklch": {
"l": 0.42622,
"c": 0.19064,
"h": 273.7
},
"luminance": 0.06881
}Semantic roles & 50–950 ramp
primary
#3538B4
secondary
#C6C47F
accent
#DA4ADE
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0713
muted
#7C7A82