#2F486E
Closest named color: Dark Grey Blue (#29465B). oklch(40% 0.072 258.5), rgb(47, 72, 110).
Aa
White text reads best on this color (9.23:1).
About this color
#2F486E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.072 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 9.23:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #2F486E |
| RGB | rgb(47, 72, 110) |
| HSL | hsl(216, 40%, 31%) |
| OKLCH | oklch(40% 0.072 258.5) |
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 #2F486E | 9.23:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #2F486E | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #2F486E text on white | 9.23:1 | AAA | Lc 91.2 | Preferred for body text |
| #2F486E text on black | 2.27:1 | Fails | Lc -11.2 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ACC2E4
oklch(80.9% 0.054 259)
-
Step 400
400
#80A2D6
oklch(70.7% 0.085 258.7)
-
Step 500
500
#5F8ACB
oklch(63% 0.11 258.4)
-
Step 600
600
#4573B8
oklch(55.5% 0.119 258.3)
-
Step 700
700
#37609F
oklch(49.1% 0.112 258.7)
-
Step 800
800
#2E4F81
oklch(42.8% 0.092 258.5)
-
Step 900
900 (this color)
#2F486E
oklch(40% 0.072 258.5)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#2F486E 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) | #394B70 | 0.017 |
| Deuteranopia (no green cones) | #31456D | 0.009 |
| Tritanopia (no blue cones) | #095056 | 0.063 |
| Achromatopsia (no color) | #474747 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F486E
#2F486E
oklch(40% 0.072 258.5)
- #5C4213
#5C4213
oklch(39.8% 0.071 78.5)
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 #2F486E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Light Navy #155084 ΔE 0.042
- Twilight Blue #0A437A ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.048
- Charcoal #264653 ΔE 0.049
- Dusk Blue #26538D ΔE 0.055
- Cobalt #1E488F ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.062
Use #2F486E 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.