#2A3B8A#2A3B8A
#2A3B8A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.133 H 269.9°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3B8A |
|---|---|
| RGB | rgb(42, 59, 138) |
| HSL | hsl(229, 53%, 35%) |
| HSV | hsv(229, 70%, 54%) |
| CMYK | cmyk(69.6%, 57.2%, 0%, 45.9%) |
| CIE-LAB | lab(27.99, 21.00, -46.16) |
| CIE-LCH | lch(27.99, 50.71, 294.46°) |
| OKLab | oklab(38.72% -0.0002 -0.1328) |
| OKLCH | oklch(38.72% 0.133 269.9) |
| XYZ | xyz(7.1047, 5.4545, 24.7182) |
| Luminance | 0.0546 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 4.89
Sapphire (survey)
#2138AB
ΔE00 5.19
Darkslateblue
#483D8B
ΔE00 5.47
Cobalt (survey)
#1E488F
ΔE00 5.49
Darkish Blue
#014182
ΔE00 6.07
Cobalt
#0047AB
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3B8A #8A792A
analogous
#2A6B8A #2A3B8A #492A8A
triadic
#2A3B8A #8A2A3B #3B8A2A
tetradic
#2A3B8A #8A2A6B #8A792A #2A8A49
square
#2A3B8A #8A2A6B #8A792A #2A8A49
split-complementary
#2A3B8A #8A492A #6B8A2A
monochromatic
#0D132C #1C275B #2A3B8A #384FB9 #6073CF
Accessibility & contrast
On white
10.04
#2A3B8A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.09
#2A3B8A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3B8A
10.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3B8A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3B8A | 1.00 | 10.04 | 2.09 | 10.04 |
| #FFFFFF | 10.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00478D
Deuteranopia (green-blind)
#003E88
Tritanopia (blue-blind)
#004E5C
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2a3b8a; /* rgb */ color: rgb(42, 59, 138); /* oklch */ color: oklch(38.7% 0.133 269.9);
Tailwind
colors: {
custom: {
50: '#7070ad',
500: '#2a3b8a',
950: '#000000',
},
}SCSS
$custom: #2a3b8a; $custom-light: #7070ad; $custom-dark: #000000;
JSON
{
"hex": "#2a3b8a",
"rgb": {
"r": 42,
"g": 59,
"b": 138
},
"hsl": {
"h": 229.375,
"s": 53.333,
"l": 35.294
},
"oklch": {
"l": 0.38723,
"c": 0.13282,
"h": 269.9
},
"luminance": 0.05455
}Semantic roles & 50–950 ramp
primary
#2A3B8A
secondary
#B4A55B
accent
#C34BDD
background
#F7F6FA
surface
#EDECF4
border
#C8C7CE
text
#080710
muted
#7B7A7F