#2B488F#2B488F
#2B488F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.0% C 0.123 H 264.9°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).
Color values
| HEX | #2B488F |
|---|---|
| RGB | rgb(43, 72, 143) |
| HSL | hsl(223, 54%, 36%) |
| HSV | hsv(223, 70%, 56%) |
| CMYK | cmyk(69.9%, 49.7%, 0%, 43.9%) |
| CIE-LAB | lab(32.10, 14.22, -42.59) |
| CIE-LCH | lch(32.10, 44.90, 288.46°) |
| OKLab | oklab(41.96% -0.0109 -0.1221) |
| OKLCH | oklch(41.96% 0.123 264.9) |
| XYZ | xyz(8.2698, 7.1307, 26.9218) |
| Luminance | 0.0713 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.77
Cobalt
#0047AB
ΔE00 4.20
Darkish Blue
#014182
ΔE00 4.43
Dusk Blue
#26538D
ΔE00 4.69
Twilight Blue
#0A437A
ΔE00 5.07
Light Navy
#155084
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B488F #8F722B
analogous
#2B7A8F #2B488F #402B8F
triadic
#2B488F #8F2B48 #488F2B
tetradic
#2B488F #8F2B7A #8F722B #2B8F40
square
#2B488F #8F2B7A #8F722B #2B8F40
split-complementary
#2B488F #8F402B #7A8F2B
monochromatic
#0F1931 #1D3060 #2B488F #3960BE #6483D0
Accessibility & contrast
On white
8.66
#2B488F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#2B488F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B488F
8.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B488F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B488F | 1.00 | 8.66 | 2.43 | 8.66 |
| #FFFFFF | 8.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#225092
Deuteranopia (green-blind)
#07478E
Tritanopia (blue-blind)
#005964
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #2b488f; /* rgb */ color: rgb(43, 72, 143); /* oklch */ color: oklch(42.0% 0.123 264.9);
Tailwind
colors: {
custom: {
50: '#717ab0',
500: '#2b488f',
950: '#000000',
},
}SCSS
$custom: #2b488f; $custom-light: #717ab0; $custom-dark: #000000;
JSON
{
"hex": "#2b488f",
"rgb": {
"r": 43,
"g": 72,
"b": 143
},
"hsl": {
"h": 222.6,
"s": 53.763,
"l": 36.471
},
"oklch": {
"l": 0.41964,
"c": 0.1226,
"h": 264.9
},
"luminance": 0.07131
}Semantic roles & 50–950 ramp
primary
#2B488F
secondary
#B79D5F
accent
#B34BDD
background
#F7F7FA
surface
#EDEDF5
border
#C8C8CF
text
#080910
muted
#7B7B7F