#2B4C8D#2B4C8D
#2B4C8D is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.7% C 0.115 H 262.4°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4C8D |
|---|---|
| RGB | rgb(43, 76, 141) |
| HSL | hsl(220, 53%, 36%) |
| HSV | hsv(220, 70%, 55%) |
| CMYK | cmyk(69.5%, 46.1%, 0%, 44.7%) |
| CIE-LAB | lab(33.15, 10.76, -39.69) |
| CIE-LCH | lch(33.15, 41.13, 285.17°) |
| OKLab | oklab(42.72% -0.0152 -0.1135) |
| OKLCH | oklch(42.72% 0.115 262.4) |
| XYZ | xyz(8.3867, 7.6047, 26.2200) |
| Luminance | 0.0761 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.68
Dusk Blue
#26538D
ΔE00 3.16
Darkish Blue
#014182
ΔE00 4.53
Cobalt
#0047AB
ΔE00 4.57
Light Navy
#155084
ΔE00 4.74
Twilight Blue
#0A437A
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4C8D #8D6C2B
analogous
#2B7D8D #2B4C8D #3B2B8D
triadic
#2B4C8D #8D2B4C #4C8D2B
tetradic
#2B4C8D #8D2B7D #8D6C2B #2B8D3B
square
#2B4C8D #8D2B7D #8D6C2B #2B8D3B
split-complementary
#2B4C8D #8D3B2B #7D8D2B
monochromatic
#0E192F #1D335E #2B4C8D #3965BC #6387CF
Accessibility & contrast
On white
8.33
#2B4C8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.52
#2B4C8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4C8D
8.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4C8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4C8D | 1.00 | 8.33 | 2.52 | 8.33 |
| #FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2C538F
Deuteranopia (green-blind)
#1A4A8C
Tritanopia (blue-blind)
#005B65
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #2b4c8d; /* rgb */ color: rgb(43, 76, 141); /* oklch */ color: oklch(42.7% 0.115 262.4);
Tailwind
colors: {
custom: {
50: '#707daf',
500: '#2b4c8d',
950: '#000000',
},
}SCSS
$custom: #2b4c8d; $custom-light: #707daf; $custom-dark: #000000;
JSON
{
"hex": "#2b4c8d",
"rgb": {
"r": 43,
"g": 76,
"b": 141
},
"hsl": {
"h": 219.796,
"s": 53.261,
"l": 36.078
},
"oklch": {
"l": 0.42721,
"c": 0.11453,
"h": 262.4
},
"luminance": 0.07606
}Semantic roles & 50–950 ramp
primary
#2B4C8D
secondary
#B6985E
accent
#AC4BDD
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080910
muted
#7B7B7F