#2B3350
Closest named color: Prussian Blue (#1D3557). oklch(32.8% 0.053 271.5), rgb(43, 51, 80).
Aa
White text reads best on this color (12.41:1).
About this color
#2B3350 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.053 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.021 away. White text reads best on it, at 12.41:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.69:1 |
| White text | 12.41:1 |
Values
| HEX | #2B3350 |
| RGB | rgb(43, 51, 80) |
| HSL | hsl(227, 30%, 24%) |
| OKLCH | oklch(32.8% 0.053 271.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2B3350 | 12.41:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #2B3350 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #2B3350 text on white | 12.41:1 | AAA | Lc 98.2 | Preferred for body text |
| #2B3350 text on black | 1.69:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B7C0DB
oklch(80.9% 0.039 270.9)
-
Step 400
400
#929FC9
oklch(70.7% 0.063 271.3)
-
Step 500
500
#7887BB
oklch(63.2% 0.081 271.6)
-
Step 600
600
#6170A7
oklch(55.6% 0.088 271.7)
-
Step 700
700
#505E8F
oklch(49.2% 0.081 271.1)
-
Step 800
800
#424D74
oklch(42.8% 0.066 271.4)
-
Step 900
900 (this color)
#2B3350
oklch(32.8% 0.053 271.5)
-
Step 950
950
#202637
oklch(27.1% 0.033 269.2)
#2B3350 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #293651 | 0.009 |
| Deuteranopia (no green cones) | #26334F | 0.008 |
| Tritanopia (no blue cones) | #1F393D | 0.048 |
| Achromatopsia (no color) | #343434 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B3350
#2B3350
oklch(32.8% 0.053 271.5)
- #3F3411
#3F3411
oklch(32.9% 0.053 91.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B3350, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.021
- Gunmetal #293241 ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.031
- Midnight Green #073B4C ΔE 0.044
- Onyx #343A40 ΔE 0.044
- Marine #042E60 ΔE 0.055
- Marine Blue #01386A ΔE 0.056
Use #2B3350 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.