#3858CA#3858CA
#3858CA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.181 H 267.5°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).
Color values
| HEX | #3858CA |
|---|---|
| RGB | rgb(56, 88, 202) |
| HSL | hsl(227, 58%, 51%) |
| HSV | hsv(227, 72%, 79%) |
| CMYK | cmyk(72.3%, 56.4%, 0%, 20.8%) |
| CIE-LAB | lab(41.35, 27.60, -62.66) |
| CIE-LCH | lch(41.35, 68.47, 293.78°) |
| OKLab | oklab(50.47% -0.0078 -0.1806) |
| OKLCH | oklch(50.47% 0.181 267.5) |
| XYZ | xyz(15.7776, 12.0828, 57.3664) |
| Luminance | 0.1208 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 3.82
Azul
#1D5DEC
ΔE00 4.42
Sapphire
#0F52BA
ΔE00 4.47
Denim
#1560BD
ΔE00 5.95
Electric Blue
#0652FF
ΔE00 6.24
Royal Blue
#4169E1
ΔE00 6.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3858CA #CAAA38
analogous
#38A1CA #3858CA #6138CA
triadic
#3858CA #CA3858 #58CA38
tetradic
#3858CA #CA38A1 #CAAA38 #38CA61
square
#3858CA #CA38A1 #CAAA38 #38CA61
split-complementary
#3858CA #CA6138 #A1CA38
monochromatic
#1D2E6B #29429B #3858CA #6881D7 #99A9E4
Accessibility & contrast
On white
6.15
#3858CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#3858CA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3858CA
6.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3858CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3858CA | 1.00 | 6.15 | 3.42 | 6.15 |
| #FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0069CE
Deuteranopia (green-blind)
#005BC8
Tritanopia (blue-blind)
#007488
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #3858ca; /* rgb */ color: rgb(56, 88, 202); /* oklch */ color: oklch(50.5% 0.181 267.5);
Tailwind
colors: {
custom: {
50: '#8286db',
500: '#3858ca',
950: '#000000',
},
}SCSS
$custom: #3858ca; $custom-light: #8286db; $custom-dark: #000000;
JSON
{
"hex": "#3858ca",
"rgb": {
"r": 56,
"g": 88,
"b": 202
},
"hsl": {
"h": 226.849,
"s": 57.937,
"l": 50.588
},
"oklch": {
"l": 0.50471,
"c": 0.1808,
"h": 267.5
},
"luminance": 0.12084
}Semantic roles & 50–950 ramp
primary
#3858CA
secondary
#CFC18E
accent
#BF47E1
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83