#2A379D#2A379D
#2A379D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.165 H 271.0°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).
Color values
| HEX | #2A379D |
|---|---|
| RGB | rgb(42, 55, 157) |
| HSL | hsl(233, 58%, 39%) |
| HSV | hsv(233, 73%, 62%) |
| CMYK | cmyk(73.2%, 65%, 0%, 38.4%) |
| CIE-LAB | lab(28.53, 30.81, -56.94) |
| CIE-LCH | lch(28.53, 64.74, 298.42°) |
| OKLab | oklab(39.62% 0.0029 -0.1645) |
| OKLCH | oklch(39.62% 0.165 271) |
| XYZ | xyz(8.4048, 5.6581, 32.5409) |
| Luminance | 0.0566 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.04
Blueberry
#464196
ΔE00 4.79
Darkslateblue
#483D8B
ΔE00 5.88
Blue Blue
#2242C7
ΔE00 6.30
Ocean Blue
#4F42B5
ΔE00 6.50
Cobalt
#0047AB
ΔE00 6.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A379D #9D902A
analogous
#2A719D #2A379D #572A9D
triadic
#2A379D #9D2A37 #379D2A
tetradic
#2A379D #9D2A71 #9D902A #2A9D57
square
#2A379D #9D2A71 #9D902A #2A9D57
split-complementary
#2A379D #9D572A #719D2A
monochromatic
#10153C #1D266D #2A379D #3A4ACA #6A77D7
Accessibility & contrast
On white
9.85
#2A379D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.13
#2A379D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A379D
9.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A379D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A379D | 1.00 | 9.85 | 2.13 | 9.85 |
| #FFFFFF | 9.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049A0
Deuteranopia (green-blind)
#003E9B
Tritanopia (blue-blind)
#005265
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #2a379d; /* rgb */ color: rgb(42, 55, 157); /* oklch */ color: oklch(39.6% 0.165 271.0);
Tailwind
colors: {
custom: {
50: '#756ebb',
500: '#2a379d',
950: '#000000',
},
}SCSS
$custom: #2a379d; $custom-light: #756ebb; $custom-dark: #000000;
JSON
{
"hex": "#2a379d",
"rgb": {
"r": 42,
"g": 55,
"b": 157
},
"hsl": {
"h": 233.217,
"s": 57.789,
"l": 39.02
},
"oklch": {
"l": 0.3962,
"c": 0.16454,
"h": 271
},
"luminance": 0.05659
}Semantic roles & 50–950 ramp
primary
#2A379D
secondary
#BEB465
accent
#D047E1
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#0A0712
muted
#7C7A81