#2B395C
Closest named color: Prussian Blue (#1D3557). oklch(35% 0.064 266.6), rgb(43, 57, 92).
Aa
White text reads best on this color (11.39:1).
About this color
#2B395C is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.064 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.025 away. White text reads best on it, at 11.39:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.84:1 |
| White text | 11.39:1 |
Values
| HEX | #2B395C |
| RGB | rgb(43, 57, 92) |
| HSL | hsl(223, 36%, 26%) |
| OKLCH | oklch(35% 0.064 266.6) |
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 #2B395C | 11.39:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #2B395C | 1.84:1 | Fails | Lc 7.7 | Not readable |
| #2B395C text on white | 11.39:1 | AAA | Lc 96.2 | Preferred for body text |
| #2B395C text on black | 1.84:1 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C0E1
oklch(80.8% 0.049 267.1)
-
Step 400
400
#8BA0D1
oklch(70.8% 0.076 266.5)
-
Step 500
500
#6E87C5
oklch(63% 0.098 266.8)
-
Step 600
600
#5670B2
oklch(55.5% 0.108 266.6)
-
Step 700
700
#475E99
oklch(49.1% 0.099 266.7)
-
Step 800
800
#3A4D7C
oklch(42.7% 0.082 266.3)
-
Step 900
900 (this color)
#2B395C
oklch(35% 0.064 266.6)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#2B395C 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) | #2C3C5D | 0.010 |
| Deuteranopia (no green cones) | #26385B | 0.008 |
| Tritanopia (no blue cones) | #164046 | 0.056 |
| Achromatopsia (no color) | #3A3A3A | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B395C
#2B395C
oklch(35% 0.064 266.6)
- #49380B
#49380B
oklch(35% 0.064 86.9)
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 #2B395C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.042
- Marine Blue #01386A ΔE 0.044
- Midnight Green #073B4C ΔE 0.048
- Gunmetal #293241 ΔE 0.049
- Charcoal #264653 ΔE 0.049
- Onyx #343A40 ΔE 0.052
Use #2B395C 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.