#2B3C8D#2B3C8D
#2B3C8D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.136 H 270.1°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3C8D |
|---|---|
| RGB | rgb(43, 60, 141) |
| HSL | hsl(230, 53%, 36%) |
| HSV | hsv(230, 70%, 55%) |
| CMYK | cmyk(69.5%, 57.4%, 0%, 44.7%) |
| CIE-LAB | lab(28.56, 21.62, -47.09) |
| CIE-LCH | lch(28.56, 51.82, 294.66°) |
| OKLab | oklab(39.24% 0.0001 -0.1355) |
| OKLCH | oklch(39.24% 0.136 270.1) |
| XYZ | xyz(7.4182, 5.6677, 25.8972) |
| Luminance | 0.0567 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 4.60
Sapphire (survey)
#2138AB
ΔE00 4.83
Cobalt (survey)
#1E488F
ΔE00 5.32
Darkslateblue
#483D8B
ΔE00 5.38
Cobalt
#0047AB
ΔE00 6.09
Darkish Blue
#014182
ΔE00 6.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3C8D #8D7C2B
analogous
#2B6D8D #2B3C8D #4B2B8D
triadic
#2B3C8D #8D2B3C #3C8D2B
tetradic
#2B3C8D #8D2B6D #8D7C2B #2B8D4B
square
#2B3C8D #8D2B6D #8D7C2B #2B8D4B
split-complementary
#2B3C8D #8D4B2B #6D8D2B
monochromatic
#0E142F #1D285E #2B3C8D #3950BC #6376CF
Accessibility & contrast
On white
9.84
#2B3C8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.13
#2B3C8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3C8D
9.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3C8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3C8D | 1.00 | 9.84 | 2.13 | 9.84 |
| #FFFFFF | 9.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004890
Deuteranopia (green-blind)
#003F8B
Tritanopia (blue-blind)
#00505E
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #2b3c8d; /* rgb */ color: rgb(43, 60, 141); /* oklch */ color: oklch(39.2% 0.136 270.1);
Tailwind
colors: {
custom: {
50: '#7171af',
500: '#2b3c8d',
950: '#000000',
},
}SCSS
$custom: #2b3c8d; $custom-light: #7171af; $custom-dark: #000000;
JSON
{
"hex": "#2b3c8d",
"rgb": {
"r": 43,
"g": 60,
"b": 141
},
"hsl": {
"h": 229.592,
"s": 53.261,
"l": 36.078
},
"oklch": {
"l": 0.39236,
"c": 0.13553,
"h": 270.1
},
"luminance": 0.05668
}Semantic roles & 50–950 ramp
primary
#2B3C8D
secondary
#B6A65E
accent
#C34BDD
background
#F7F6FA
surface
#EDECF5
border
#C8C7CF
text
#090710
muted
#7B7A7F