#2B395A
Closest named color: Prussian Blue (#1D3557). oklch(34.9% 0.061 265.9), rgb(43, 57, 90).
Aa
White text reads best on this color (11.44:1).
About this color
#2B395A is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.061 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.024 away. White text reads best on it, at 11.44:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.83:1 |
| White text | 11.44:1 |
Values
| HEX | #2B395A |
| RGB | rgb(43, 57, 90) |
| HSL | hsl(222, 35%, 26%) |
| OKLCH | oklch(34.9% 0.061 265.9) |
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 #2B395A | 11.44:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #2B395A | 1.83:1 | Fails | Lc 7.6 | Not readable |
| #2B395A text on white | 11.44:1 | AAA | Lc 96.3 | Preferred for body text |
| #2B395A text on black | 1.83:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C1DF
oklch(81% 0.045 265.5)
-
Step 400
400
#8BA0CF
oklch(70.7% 0.073 265.9)
-
Step 500
500
#6F88C2
oklch(63.1% 0.093 266)
-
Step 600
600
#5771AF
oklch(55.6% 0.102 265.9)
-
Step 700
700
#475E96
oklch(49% 0.095 266.1)
-
Step 800
800
#3B4D7A
oklch(42.7% 0.078 266.6)
-
Step 900
900 (this color)
#2B395A
oklch(34.9% 0.061 265.9)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#2B395A 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) | #2D3C5B | 0.010 |
| Deuteranopia (no green cones) | #283859 | 0.006 |
| Tritanopia (no blue cones) | #184045 | 0.054 |
| Achromatopsia (no color) | #3A3A3A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B395A
#2B395A
oklch(34.9% 0.061 265.9)
- #48370F
#48370F
oklch(34.7% 0.06 85.2)
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 #2B395A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.041
- Midnight Green #073B4C ΔE 0.045
- Marine Blue #01386A ΔE 0.046
- Gunmetal #293241 ΔE 0.046
- Charcoal #264653 ΔE 0.047
- Onyx #343A40 ΔE 0.049
Use #2B395A 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.