#2F476F
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.074 260.2), rgb(47, 71, 111).
Aa
White text reads best on this color (9.32:1).
About this color
#2F476F is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.036 away. White text reads best on it, at 9.32:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #2F476F |
| RGB | rgb(47, 71, 111) |
| HSL | hsl(218, 41%, 31%) |
| OKLCH | oklch(39.8% 0.074 260.2) |
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 #2F476F | 9.32:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #2F476F | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #2F476F text on white | 9.32:1 | AAA | Lc 91.4 | Preferred for body text |
| #2F476F text on black | 2.25:1 | Fails | Lc -10.9 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#ACC2E5
oklch(80.9% 0.055 259.6)
-
Step 400
400
#80A2D9
oklch(70.8% 0.089 259.8)
-
Step 500
500
#6089CE
oklch(63% 0.114 260.4)
-
Step 600
600
#4772BB
oklch(55.6% 0.124 260.4)
-
Step 700
700
#385FA1
oklch(49% 0.115 260.3)
-
Step 800
800
#2F4E83
oklch(42.7% 0.096 260.5)
-
Step 900
900 (this color)
#2F476F
oklch(39.8% 0.074 260.2)
-
Step 950
950
#19263D
oklch(26.9% 0.047 261.3)
#2F476F 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) | #374A71 | 0.015 |
| Deuteranopia (no green cones) | #2F446E | 0.009 |
| Tritanopia (no blue cones) | #085056 | 0.066 |
| Achromatopsia (no color) | #474747 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F476F
#2F476F
oklch(39.8% 0.074 260.2)
- #5C420E
#5C420E
oklch(39.8% 0.075 80)
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 #2F476F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.036
- Twilight Blue #0A437A ΔE 0.040
- Light Navy #155084 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.049
- Charcoal #264653 ΔE 0.051
- Cobalt #1E488F ΔE 0.055
- Dusk Blue #26538D ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.064
Use #2F476F 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.