#2F3147
Closest named color: Gunmetal (#293241). oklch(32.1% 0.039 279.9), rgb(47, 49, 71).
Aa
White text reads best on this color (12.71:1).
About this color
#2F3147 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.039 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.016 away. White text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.65:1 |
| White text | 12.71:1 |
Values
| HEX | #2F3147 |
| RGB | rgb(47, 49, 71) |
| HSL | hsl(235, 20%, 23%) |
| OKLCH | oklch(32.1% 0.039 279.9) |
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 #2F3147 | 12.71:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #2F3147 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #2F3147 text on white | 12.71:1 | AAA | Lc 98.8 | Preferred for body text |
| #2F3147 text on black | 1.65:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDF
oklch(80.9% 0.047 279.8)
-
Step 400
400
#979CCF
oklch(70.7% 0.075 280)
-
Step 500
500
#7E83C2
oklch(63.1% 0.095 279.8)
-
Step 600
600
#686CAE
oklch(55.7% 0.102 279.9)
-
Step 700
700
#565A96
oklch(49.2% 0.095 279.4)
-
Step 800
800
#47497A
oklch(42.7% 0.081 280.6)
-
Step 900
900
#3B3E62
oklch(37.8% 0.061 279.4)
-
Step 950
950 (this color)
#2F3147
oklch(32.1% 0.039 279.9)
#2F3147 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) | #2B3348 | 0.008 |
| Deuteranopia (no green cones) | #293246 | 0.010 |
| Tritanopia (no blue cones) | #293539 | 0.034 |
| Achromatopsia (no color) | #333333 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F3147
#2F3147
oklch(32.1% 0.039 279.9)
- #38341B
#38341B
oklch(32.2% 0.04 100.3)
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 #2F3147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.016
- Space Cadet #2B2D42 ΔE 0.016
- Prussian Blue #1D3557 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.036
- Onyx #343A40 ΔE 0.037
- Midnight Green #073B4C ΔE 0.048
- Oxford Blue #1B263B ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.062
Use #2F3147 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.