#3036B4#3036B4
#3036B4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.194 H 272.3°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).
Color values
| HEX | #3036B4 |
|---|---|
| RGB | rgb(48, 54, 180) |
| HSL | hsl(237, 58%, 45%) |
| HSV | hsv(237, 73%, 71%) |
| CMYK | cmyk(73.3%, 70%, 0%, 29.4%) |
| CIE-LAB | lab(30.79, 40.32, -67.05) |
| CIE-LCH | lch(30.79, 78.24, 301.02°) |
| OKLab | oklab(42% 0.0079 -0.194) |
| OKLCH | oklch(42% 0.194 272.3) |
| XYZ | xyz(10.7735, 6.5609, 43.8698) |
| Luminance | 0.0656 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.32
Blue Blue
#2242C7
ΔE00 4.30
Ocean Blue
#4F42B5
ΔE00 4.72
Blue With A Hint Of Purple
#533CC6
ΔE00 5.30
Blurple
#5539CC
ΔE00 5.87
Blueberry
#464196
ΔE00 6.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3036B4 #B4AE30
analogous
#3078B4 #3036B4 #6C30B4
triadic
#3036B4 #B43036 #36B430
tetradic
#3036B4 #B43078 #B4AE30 #30B46C
square
#3036B4 #B43078 #B4AE30 #30B46C
split-complementary
#3036B4 #B46C30 #78B430
monochromatic
#161953 #232884 #3036B4 #5156D1 #8185DD
Accessibility & contrast
On white
9.08
#3036B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#3036B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3036B4
9.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3036B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3036B4 | 1.00 | 9.08 | 2.31 | 9.08 |
| #FFFFFF | 9.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB8
Deuteranopia (green-blind)
#0042B2
Tritanopia (blue-blind)
#005971
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #3036b4; /* rgb */ color: rgb(48, 54, 180); /* oklch */ color: oklch(42.0% 0.194 272.3);
Tailwind
colors: {
custom: {
50: '#7c6ecc',
500: '#3036b4',
950: '#000000',
},
}SCSS
$custom: #3036b4; $custom-light: #7c6ecc; $custom-dark: #000000;
JSON
{
"hex": "#3036b4",
"rgb": {
"r": 48,
"g": 54,
"b": 180
},
"hsl": {
"h": 237.273,
"s": 57.895,
"l": 44.706
},
"oklch": {
"l": 0.42004,
"c": 0.19412,
"h": 272.3
},
"luminance": 0.06562
}Semantic roles & 50–950 ramp
primary
#3036B4
secondary
#C6C379
accent
#DA47E1
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0713
muted
#7C7A82