#383BB1#383BB1
#383BB1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.183 H 274.5°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).
Color values
| HEX | #383BB1 |
|---|---|
| RGB | rgb(56, 59, 177) |
| HSL | hsl(239, 52%, 46%) |
| HSV | hsv(239, 68%, 69%) |
| CMYK | cmyk(68.4%, 66.7%, 0%, 30.6%) |
| CIE-LAB | lab(32.13, 37.16, -63.05) |
| CIE-LCH | lch(32.13, 73.18, 300.51°) |
| OKLab | oklab(43.02% 0.0143 -0.182) |
| OKLCH | oklch(43.02% 0.183 274.5) |
| XYZ | xyz(11.1280, 7.1420, 42.3785) |
| Luminance | 0.0714 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.60
Ocean Blue
#4F42B5
ΔE00 3.53
Blue Blue
#2242C7
ΔE00 3.90
Blue With A Hint Of Purple
#533CC6
ΔE00 4.83
Blueberry
#464196
ΔE00 5.02
Blurple
#5539CC
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#383BB1 #B1AE38
analogous
#3878B1 #383BB1 #7138B1
triadic
#383BB1 #B1383B #3BB138
tetradic
#383BB1 #B13878 #B1AE38 #38B171
square
#383BB1 #B13878 #B1AE38 #38B171
split-complementary
#383BB1 #B17138 #78B138
monochromatic
#1B1C54 #292C83 #383BB1 #5B5ECB #8A8CDA
Accessibility & contrast
On white
8.65
#383BB1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#383BB1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #383BB1
8.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##383BB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##383BB1 | 1.00 | 8.65 | 2.43 | 8.65 |
| #FFFFFF | 8.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051B5
Deuteranopia (green-blind)
#0046AF
Tritanopia (blue-blind)
#005A71
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #383bb1; /* rgb */ color: rgb(56, 59, 177); /* oklch */ color: oklch(43.0% 0.183 274.5);
Tailwind
colors: {
custom: {
50: '#7f71c9',
500: '#383bb1',
950: '#000000',
},
}SCSS
$custom: #383bb1; $custom-light: #7f71c9; $custom-dark: #000000;
JSON
{
"hex": "#383bb1",
"rgb": {
"r": 56,
"g": 59,
"b": 177
},
"hsl": {
"h": 238.512,
"s": 51.931,
"l": 45.686
},
"oklch": {
"l": 0.4302,
"c": 0.1826,
"h": 274.5
},
"luminance": 0.07143
}Semantic roles & 50–950 ramp
primary
#383BB1
secondary
#C4C281
accent
#D84CDB
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0813
muted
#7C7B82