#3036B3#3036B3
#3036B3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.193 H 272.4°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).
Color values
| HEX | #3036B3 |
|---|---|
| RGB | rgb(48, 54, 179) |
| HSL | hsl(237, 58%, 45%) |
| HSV | hsv(237, 73%, 70%) |
| CMYK | cmyk(73.2%, 69.8%, 0%, 29.8%) |
| CIE-LAB | lab(30.69, 39.97, -66.62) |
| CIE-LCH | lch(30.69, 77.69, 300.96°) |
| OKLab | oklab(41.91% 0.0081 -0.1927) |
| OKLCH | oklch(41.91% 0.193 272.4) |
| XYZ | xyz(10.6720, 6.5203, 43.3352) |
| Luminance | 0.0652 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.23
Blue Blue
#2242C7
ΔE00 4.37
Ocean Blue
#4F42B5
ΔE00 4.75
Blue With A Hint Of Purple
#533CC6
ΔE00 5.38
Blurple
#5539CC
ΔE00 5.97
Blueberry
#464196
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3036B3 #B3AD30
analogous
#3078B3 #3036B3 #6C30B3
triadic
#3036B3 #B33036 #36B330
tetradic
#3036B3 #B33078 #B3AD30 #30B36C
square
#3036B3 #B33078 #B3AD30 #30B36C
split-complementary
#3036B3 #B36C30 #78B330
monochromatic
#161952 #232783 #3036B3 #5056D0 #8085DD
Accessibility & contrast
On white
9.11
#3036B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#3036B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3036B3
9.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3036B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3036B3 | 1.00 | 9.11 | 2.30 | 9.11 |
| #FFFFFF | 9.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EB7
Deuteranopia (green-blind)
#0042B1
Tritanopia (blue-blind)
#005870
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #3036b3; /* rgb */ color: rgb(48, 54, 179); /* oklch */ color: oklch(41.9% 0.193 272.4);
Tailwind
colors: {
custom: {
50: '#7c6ecb',
500: '#3036b3',
950: '#000000',
},
}SCSS
$custom: #3036b3; $custom-light: #7c6ecb; $custom-dark: #000000;
JSON
{
"hex": "#3036b3",
"rgb": {
"r": 48,
"g": 54,
"b": 179
},
"hsl": {
"h": 237.252,
"s": 57.709,
"l": 44.51
},
"oklch": {
"l": 0.41905,
"c": 0.19286,
"h": 272.4
},
"luminance": 0.06521
}Semantic roles & 50–950 ramp
primary
#3036B3
secondary
#C6C279
accent
#DA47E1
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0713
muted
#7C7A82