#3039B0#3039B0
#3039B0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.186 H 272.0°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #3039B0 |
|---|---|
| RGB | rgb(48, 57, 176) |
| HSL | hsl(236, 57%, 44%) |
| HSV | hsv(236, 73%, 69%) |
| CMYK | cmyk(72.7%, 67.6%, 0%, 31%) |
| CIE-LAB | lab(31.09, 37.08, -64.18) |
| CIE-LCH | lch(31.09, 74.12, 300.02°) |
| OKLab | oklab(42.11% 0.0066 -0.1856) |
| OKLCH | oklch(42.11% 0.186 272) |
| XYZ | xyz(10.5159, 6.6882, 41.8026) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.69
Blue Blue
#2242C7
ΔE00 4.01
Ocean Blue
#4F42B5
ΔE00 4.52
Blueberry
#464196
ΔE00 5.45
Blue With A Hint Of Purple
#533CC6
ΔE00 5.64
Blurple
#5539CC
ΔE00 6.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3039B0 #B0A730
analogous
#3079B0 #3039B0 #6730B0
triadic
#3039B0 #B03039 #39B030
tetradic
#3039B0 #B03079 #B0A730 #30B067
square
#3039B0 #B03079 #B0A730 #30B067
split-complementary
#3039B0 #B06730 #79B030
monochromatic
#161A50 #232980 #3039B0 #4E57CF #7E85DC
Accessibility & contrast
On white
8.98
#3039B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#3039B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3039B0
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3039B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3039B0 | 1.00 | 8.98 | 2.34 | 8.98 |
| #FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB4
Deuteranopia (green-blind)
#0043AE
Tritanopia (blue-blind)
#00596F
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3039b0; /* rgb */ color: rgb(48, 57, 176); /* oklch */ color: oklch(42.1% 0.186 272.0);
Tailwind
colors: {
custom: {
50: '#7b70c9',
500: '#3039b0',
950: '#000000',
},
}SCSS
$custom: #3039b0; $custom-light: #7b70c9; $custom-dark: #000000;
JSON
{
"hex": "#3039b0",
"rgb": {
"r": 48,
"g": 57,
"b": 176
},
"hsl": {
"h": 235.781,
"s": 57.143,
"l": 43.922
},
"oklch": {
"l": 0.42106,
"c": 0.18568,
"h": 272
},
"luminance": 0.06689
}Semantic roles & 50–950 ramp
primary
#3039B0
secondary
#C5BF77
accent
#D647E0
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82