#2B385F
Closest named color: Prussian Blue (#1D3557). oklch(34.9% 0.07 268.6), rgb(43, 56, 95).
Aa
White text reads best on this color (11.45:1).
About this color
#2B385F is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.070 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.026 away. White text reads best on it, at 11.45:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #2B385F |
| RGB | rgb(43, 56, 95) |
| HSL | hsl(225, 38%, 27%) |
| OKLCH | oklch(34.9% 0.07 268.6) |
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 #2B385F | 11.45:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #2B385F | 1.83:1 | Fails | Lc 7.6 | Not readable |
| #2B385F text on white | 11.45:1 | AAA | Lc 96.3 | Preferred for body text |
| #2B385F 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E4
oklch(80.9% 0.053 268.5)
-
Step 400
400
#8B9FD6
oklch(70.8% 0.084 268.8)
-
Step 500
500
#6E86CB
oklch(63.1% 0.108 268.6)
-
Step 600
600
#576FB8
oklch(55.7% 0.117 268.7)
-
Step 700
700
#475C9E
oklch(49% 0.109 268.8)
-
Step 800
800
#3A4C80
oklch(42.7% 0.089 268.1)
-
Step 900
900 (this color)
#2B385F
oklch(34.9% 0.07 268.6)
-
Step 950
950
#1D253C
oklch(26.9% 0.045 268.7)
#2B385F 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) | #293C61 | 0.012 |
| Deuteranopia (no green cones) | #23375E | 0.012 |
| Tritanopia (no blue cones) | #144047 | 0.062 |
| Achromatopsia (no color) | #3A3A3A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B385F
#2B385F
oklch(34.9% 0.07 268.6)
- #493801
#493801
oklch(35% 0.071 89.4)
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 #2B385F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.040
- Marine Blue #01386A ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.047
- Midnight Green #073B4C ΔE 0.052
- Gunmetal #293241 ΔE 0.053
- Marine #042E60 ΔE 0.054
- Charcoal #264653 ΔE 0.055
Use #2B385F 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.