#2D2F54
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.065 279.7), rgb(45, 47, 84).
Aa
White text reads best on this color (12.75:1).
About this color
#2D2F54 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.065 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.027 away. White text reads best on it, at 12.75:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.75:1 |
Values
| HEX | #2D2F54 |
| RGB | rgb(45, 47, 84) |
| HSL | hsl(237, 30%, 25%) |
| OKLCH | oklch(32.2% 0.065 279.7) |
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 #2D2F54 | 12.75:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #2D2F54 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #2D2F54 text on white | 12.75:1 | AAA | Lc 98.8 | Preferred for body text |
| #2D2F54 text on black | 1.64:1 | 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 950.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B6BCF2
oklch(80.9% 0.076 279.6)
-
Step 400
400
#9197EC
oklch(70.6% 0.124 279.6)
-
Step 500
500
#787BE6
oklch(63.1% 0.158 279.6)
-
Step 600
600
#6361D4
oklch(55.5% 0.172 280)
-
Step 700
700
#5250B8
oklch(49.1% 0.16 279.6)
-
Step 800
800
#434295
oklch(42.7% 0.133 279.7)
-
Step 900
900
#383976
oklch(37.7% 0.102 279.6)
-
Step 950
950 (this color)
#2D2F54
oklch(32.2% 0.065 279.7)
#2D2F54 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) | #223455 | 0.021 |
| Deuteranopia (no green cones) | #1F3153 | 0.021 |
| Tritanopia (no blue cones) | #21363D | 0.056 |
| Achromatopsia (no color) | #323232 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D2F54
#2D2F54
oklch(32.2% 0.065 279.7)
- #3B3402
#3B3402
oklch(32.3% 0.066 100.8)
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 #2D2F54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.032
- Gunmetal #293241 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.046
- Marine #042E60 ΔE 0.050
- Marine Blue #01386A ΔE 0.056
- Midnight Green #073B4C ΔE 0.057
- Onyx #343A40 ΔE 0.059
Use #2D2F54 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.