#2A39B8#2A39B8
#2A39B8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.197 H 269.9°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2A39B8 |
|---|---|
| RGB | rgb(42, 57, 184) |
| HSL | hsl(234, 63%, 44%) |
| HSV | hsv(234, 77%, 72%) |
| CMYK | cmyk(77.2%, 69%, 0%, 27.8%) |
| CIE-LAB | lab(31.53, 39.29, -68.22) |
| CIE-LCH | lch(31.53, 78.72, 299.94°) |
| OKLab | oklab(42.57% -0.0004 -0.1975) |
| OKLCH | oklch(42.57% 0.197 269.9) |
| XYZ | xyz(11.0667, 6.8780, 46.0824) |
| Luminance | 0.0688 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.13
Blue Blue
#2242C7
ΔE00 3.22
Ocean Blue
#4F42B5
ΔE00 4.78
Blue With A Hint Of Purple
#533CC6
ΔE00 5.43
Blue (survey)
#0343DF
ΔE00 5.59
Blurple
#5539CC
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A39B8 #B8A92A
analogous
#2A80B8 #2A39B8 #622AB8
triadic
#2A39B8 #B82A39 #39B82A
tetradic
#2A39B8 #B82A80 #B8A92A #2AB862
square
#2A39B8 #B82A80 #B8A92A #2AB862
split-complementary
#2A39B8 #B8622A #80B82A
monochromatic
#131A54 #1F2A86 #2A39B8 #4A58D6 #7B86E1
Accessibility & contrast
On white
8.84
#2A39B8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#2A39B8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A39B8
8.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A39B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A39B8 | 1.00 | 8.84 | 2.38 | 8.84 |
| #FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051BC
Deuteranopia (green-blind)
#0043B6
Tritanopia (blue-blind)
#005C74
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2a39b8; /* rgb */ color: rgb(42, 57, 184); /* oklch */ color: oklch(42.6% 0.197 269.9);
Tailwind
colors: {
custom: {
50: '#7b70ce',
500: '#2a39b8',
950: '#000000',
},
}SCSS
$custom: #2a39b8; $custom-light: #7b70ce; $custom-dark: #000000;
JSON
{
"hex": "#2a39b8",
"rgb": {
"r": 42,
"g": 57,
"b": 184
},
"hsl": {
"h": 233.662,
"s": 62.832,
"l": 44.314
},
"oklch": {
"l": 0.42571,
"c": 0.19749,
"h": 269.9
},
"luminance": 0.06879
}Semantic roles & 50–950 ramp
primary
#2A39B8
secondary
#C9C075
accent
#D542E6
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0714
muted
#7C7A82